Majjhima Nikāya · Discourse 14

The Shorter Discourse on the Mass of Suffering

Cūḷadukkhakkhandhasutta

Setting
The Banyan Tree Monastery, near Kapilavatthu in the land of the Sakyans — the Buddha's home country
Speaker
The Buddha, replying to Mahānāma the Sakyan (a lay disciple and the Buddha's cousin)
Form
21 sections in three movements: Mahānāma's honest predicament and the Buddha's diagnosis, the standard drawback catalog of sensual pleasures (echoing MN 13), and the famous Jain encounter on Black Rock with the Bimbisāra pleasure debate
Length
~15 minutes to read. Shorter than MN 13 but more personal — and contains a key teaching MN 13 lacks: why intellectual understanding alone is not enough.
Northern parallel
MA 100 (Madhyama-āgama 100, "The Shorter Discourse on the Mass of Suffering")
Difficulty
★★★☆☆ — accessible narrative. The Jain encounter requires brief background on Mahāvīra's doctrine, but the discourse itself supplies what's needed.

Why this discourse, fourteenth

MN 14 is the personal companion to MN 13. Where MN 13 was the Buddha's systematic teaching to mendicants in response to a doctrinal challenge from rival ascetics, MN 14 is the Buddha answering one specific person: Mahānāma the Sakyan, his own cousin and a lay disciple, who has come to him with the universal honest question of every serious practitioner: "I understand your teaching. Why does my mind still do this?"

The Buddha's answer is structurally one of the most important in the canon. It is not that Mahānāma's understanding is wrong. It is that intellectual understanding alone does not free the mind from sensual desire. There is a quality remaining — a specific quality — that has not been given up. And that quality cannot be given up by understanding the drawback of sensual pleasures, no matter how clearly. It can only be given up when the practitioner has access to a pleasure superior to sensual pleasure: the rapture and bliss of the first jhāna or beyond.

The discourse then includes one of the canon's most direct rebuttals of self-mortification as a path: the Buddha's encounter with the Jain ascetics on Black Rock. The discourse closes with the famous Bimbisāra pleasure debate, in which the Buddha demonstrates — on the Jains' own ground — that his way of life produces greater pleasure than King Bimbisāra's. Sensory richness is not the highest pleasure available; meditative attainment is.

Reading guide

The teaching in one sentence

Intellectual understanding of suffering does not free the mind from desire — only access to a superior pleasure does; and the superior pleasure that displaces sensual pleasure is the rapture and bliss of meditation.

Mahānāma's question — the universal honest student

The frame is intimate. Mahānāma is Buddha's own cousin, a senior Sakyan layman, deeply committed to the teaching. He comes to the Buddha and says, with extraordinary candor:

"For a long time, sir, I have understood your teaching like this: 'Greed, hate, and delusion are corruptions of the mind.' Despite understanding this, sometimes my mind is occupied by thoughts of greed, hate, and delusion. I wonder what qualities remain in me that I have such thoughts?"

This is the perennial honest question of every serious practitioner. The conceptual framework is in place. The understanding is real. And yet the mind still does it. What is going on?

The Buddha's diagnosis — the missing quality

The Buddha's answer is direct: "There is a quality that remains in you that makes you have such thoughts. For if you had given up that quality you would not still be living at home and enjoying sensual pleasures. But because you haven't given up that quality you are still living at home and enjoying sensual pleasures."

What is the missing quality? The discourse doesn't name it by a single technical term — but what follows makes it clear. It is the capacity to access a pleasure superior to sensual pleasure. As long as that capacity is absent, the mind has no alternative — and so it returns to sensual pleasures, even when the drawback is intellectually understood.

The crucial teaching — superior pleasure displaces inferior pleasure

The next paragraph (§4) is one of the most important in the canon:

"Sensual pleasures give little gratification and much suffering and distress, and they are all the more full of drawbacks. So, Mahānāma, even though a noble disciple has clearly seen this with right wisdom, as long as they do not achieve the rapture and bliss that are apart from sensual pleasures and unskillful qualities, or something even more peaceful than that, they can return to sensual pleasures. But when they do achieve that rapture and bliss, or something more peaceful than that, they do not return to sensual pleasures."

The argument has three steps:

  1. Right understanding alone is insufficient. Even a noble disciple who has clearly seen the drawback can return to sensual pleasures.
  2. The missing element is contemplative attainment. Specifically, "the rapture and bliss that are apart from sensual pleasures" — this is the Buddha's standard description of the first jhāna — "or something even more peaceful than that" — the higher absorptions and the formless attainments.
  3. Once this is achieved, the return ceases. The practitioner who has actually experienced jhānic bliss has access to a pleasure that sensual pleasures cannot compete with. The pull releases not by force of will but by relative attractiveness.

This is the operational teaching that MN 13 lacked. MN 13 named the drawback. MN 14 names what makes the drawback actually take effect: the experience of a higher pleasure. The Buddha is being precise — intellectual understanding without contemplative attainment will leave the practitioner stuck.

The Buddha's autobiography — even he had this problem

The next paragraph (§5) gives a brief but crucial autobiographical confirmation. Before his awakening, the Buddha himself clearly saw the drawback of sensual pleasures with right wisdom. "But so long as I didn't achieve the rapture and bliss that are apart from sensual pleasures and unskillful qualities, or something even more peaceful than that, I didn't announce that I would not return to sensual pleasures. But when I did achieve that rapture and bliss, or something more peaceful than that, I announced that I would not return to sensual pleasures."

The structural point is decisive. The Buddha is saying: I had the same problem you have, Mahānāma. The drawback was clear to me; the return continued. Only when I achieved the higher pleasure did the return stop. Mahānāma is not failing as a student. He is at the predictable middle stage. The diagnosis is precise and the prescription is clear.

The drawback catalog (§§6–14)

The discourse then runs through the same drawback catalog that MN 13 gave: the gratification of the five senses, the drawback in livelihood / failure / success-and-anxiety / conflict / battle / siege / crime-and-punishment / bad rebirth. The text is essentially the same as MN 13 §§7–15. The repetition serves the present purpose: Mahānāma is being shown what he already intellectually accepts.

But MN 14 leaves out something MN 13 included — the explicit escape sentence ("removing and giving up desire and greed for sensual pleasures"). Why? Because the escape is not the issue in this discourse. Mahānāma already knows the escape conceptually. The issue is what enables the escape to actually operate. And the discourse has already answered that: the achievement of a higher pleasure.

The Jain encounter on Black Rock (§§15–19)

The discourse then pivots to a story. The Buddha recalls a visit, when he was staying near Rājagaha on Vulture's Peak, to Jain ascetics on the slopes of Isigili at the Black Rock. They were practicing extreme standing — refusing to sit — and suffering severe pain. The Buddha asked them why.

Their answer is the classical Jain doctrine taught by Mahāvīra (here called the Jain of the Ñātika clan):

"You have done bad deeds in a past life. Wear them away with these severe and grueling austerities. And when in the present you are restrained in body, speech, and mind, you're not doing any bad deeds for the future. So, due to eliminating past deeds by fervent mortification, and not doing any new deeds, there's nothing to come up in the future. With no future consequence, deeds end. With the ending of deeds, suffering ends. With the ending of suffering, feeling ends. And with the ending of feeling, all suffering will have been worn away."

The doctrine is logically clean — and depends entirely on having access to information the Jains cannot have. The Buddha asks five questions, gently and devastatingly:

  1. Do you know for sure that you existed in the past?
  2. Do you know that you did bad deeds in the past?
  3. Do you know which specific bad deeds you did?
  4. Do you know how much suffering has already been worn away, how much remains, and when the wearing-away will be complete?
  5. Do you know how to give up unskillful qualities in this very life and embrace skillful qualities?

To each, the Jains answer: "No we don't, reverend." The Buddha's conclusion is biting: "So it seems that you don't know any of these things. That being so, when those in the world who are violent and bloody-handed and of cruel livelihood are reborn among humans they go forth as Jain ascetics."

The critique is structurally precise. The Jains' practice rests on five claims about karma and self-knowledge — and they cannot verify any of them. They are inflicting present pain on the speculation that it cancels past karma they cannot identify in quantities they cannot measure against suffering they cannot account for. The Buddha is not saying their doctrine is necessarily false; he is saying they have no way to know it is true, and meanwhile the pain is certain.

The Bimbisāra pleasure debate (§§20–21)

The Jains then make a striking counter-claim:

"Reverend Gotama, pleasure is not gained through pleasure; pleasure is gained through pain. For if pleasure were to be gained through pleasure, King Seniya Bimbisāra of Magadha would gain pleasure, since he lives in greater pleasure than Venerable Gotama."

This is a strong philosophical argument: if the path to pleasure were pleasure, kings (who have all the pleasures) would be the most advanced practitioners — but obviously they're not. Therefore the path to real pleasure must run through pain.

The Buddha catches the rhetorical sloppiness and turns it around. He proposes a different metric for "who lives in greater pleasure": "What do you think, reverends? Is King Bimbisāra capable of experiencing perfect happiness for seven days and nights without moving his body or speaking?"

The answer is no. The Buddha then runs the count: six days? No. Five days? No. Down through to one day. Bimbisāra, with all his palaces and pleasures, cannot maintain even one full day of uninterrupted happiness without movement or speech. The Buddha then says:

"But I am capable of experiencing perfect happiness for one day and night without moving my body or speaking. I am capable of experiencing perfect happiness for two days … three days … four days … five days … six days … seven days."

The Jains have to concede: "This being so, Venerable Gotama lives in greater pleasure than King Bimbisāra."

The debate isn't won by changing the question (renouncing pleasure entirely) but by changing what counts as pleasure (sustained meditative happiness as the ultimate pleasure). This is the operational point that connects back to Mahānāma's predicament: the Buddha is not asking Mahānāma to give up pleasure. He is showing that there is a superior pleasure available — one that even kings cannot access — and that access to that pleasure is what releases the pull of sensual pleasure.

The structural argument in summary

The discourse argues, step by step:

  1. Intellectual understanding of the drawback is necessary but not sufficient.
  2. What is needed in addition is access to a pleasure superior to sensual pleasure.
  3. That superior pleasure is the rapture and bliss of the first jhāna or higher.
  4. This is not theoretical — the Buddha himself needed it. Mahānāma needs it.
  5. The path to it is not self-mortification (the Jain mistake). Self-mortification rests on claims that cannot be verified, and the pain is certain.
  6. The path to it is contemplative training, which produces a pleasure that even kings — with all their sensual goods — cannot match.

A modern parallel

The teaching has striking contemporary application. Anyone who has tried to give up a powerful habit (sugar, alcohol, social media, certain relationships) by willpower based on intellectual understanding of its harms has likely failed. The discourse explains why. The mind does not abandon a known pleasure based on conceptual understanding of its drawback. It abandons the known pleasure only when a different, superior pleasure becomes accessible — and only then does the original pleasure lose its pull.

Modern recovery research has converged on something similar: people don't escape addictions by knowing they're bad; they escape by building lives in which the addiction is no longer the most rewarding thing. The mechanism the Buddha named twenty-five hundred years ago is exactly this. The contemplative training is what produces the superior reward.

Three questions Western students often ask

"This sounds like the Buddha is saying jhāna is a prerequisite for full practice. Is that true?" The discourse's logic is precise: full release from sensual desire requires access to a pleasure that displaces it, and that pleasure is named as the first jhāna ("rapture and bliss apart from sensual pleasures") or higher. This does not mean every practitioner must have entered jhāna before they can practice. It means that the full freedom the Buddha describes presupposes contemplative attainment. For practitioners who have not yet developed that capacity, the work is to develop it — through the eightfold path's full breadth, of which samādhi is one factor. Mahānāma is not being told he has failed; he is being told what's missing.

"The Buddha's response to the Jains feels harsh. Aren't they sincerely trying?" The harshness has a specific target. The Buddha does not criticize their sincerity, their effort, or their wish to escape suffering. He criticizes their epistemology — five specific claims they cannot verify but on which their practice depends. The Buddha's traditional teaching position is that one should not bet one's body and life on what one cannot know. Sincere effort applied to a doctrine that may or may not be true is, structurally, a high-cost gamble. The Buddha's question is not "are you sincere?" but "do you know?"

"Why does the Bimbisāra debate use stillness as the criterion of pleasure? Isn't movement also pleasurable?" The criterion of stillness is brilliant pedagogically. Bimbisāra's pleasure depends on objects, attendants, food, music, sex, novelty — all of which require movement and engagement. Any stop produces immediate boredom. The Buddha's pleasure does not depend on any of these and so does not collapse when movement and speech stop. The criterion isolates whether the pleasure is contingent or non-contingent. Bimbisāra's is contingent. The Buddha's is not. This is the Buddha's most efficient single demonstration of why meditative pleasure outclasses sensual pleasure in kind, not just degree.

Key terms

Mahānāma — the Sakyan layman who is the Buddha's interlocutor in this discourse. The Buddha's cousin and a deeply committed lay disciple. Appears in several places in the canon asking honest practitioner questions.
pīti — rapture. The energetic, often physically felt joy that arises in the first and second jhānas. The Buddha names pītisukha (rapture and bliss) as the specific quality that displaces sensual pleasure.
sukha — bliss / pleasure / happiness. The pleasurable feeling-tone, present in all four jhānas. In the discourse, the Buddha demonstrates that the sustained sukha of meditative attainment outclasses royal sensual pleasure.
vivicceva kāmehi vivicca akusalehi dhammehi — "apart from sensual pleasures, apart from unskillful qualities." The standard Pāli formula for the entry into the first jhāna. The discourse uses it as the marker for the quality whose absence keeps Mahānāma returning to sensual pleasure.
nekkhamma — renunciation. Not denial of pleasure but reorientation away from sensual pleasure as the operative goal. In this discourse, the renunciation that becomes possible only once a superior pleasure is accessible.
Nigaṇṭha — Jain ascetic. The followers of the Jain of the Ñātika clan (Mahāvīra), one of the major ascetic movements of the Buddha's time. The discourse's encounter with them on Black Rock is one of several canonical Buddha-Jain exchanges.
attakilamatha — self-mortification. The "extreme of self-torment," one of the two extremes the Buddha rejected in his first sermon. The Jain practice on Black Rock is its canonical exemplar.
Seniya Bimbisāra — King Bimbisāra of Magadha, the foremost royal patron of the Buddha's early career and the canonical example of "someone with all the sensual goods." The discourse uses him as the test case for the Buddha's pleasure-debate.
Black Rock at Isigili — a specific location near Rājagaha. Isigili ("the sage-swallower") is one of the five mountains around Rājagaha. The Black Rock is a notable rocky outcrop on its slopes — a real geographic feature, not a metaphor.

The text

MN 14 has 21 sections in three movements: Mahānāma's question and the Buddha's diagnosis (§§1–5), the standard drawback catalog of sensual pleasures (§§6–14, paralleling MN 13 §§7–15), and the Jain encounter on Black Rock with the Bimbisāra pleasure debate (§§15–21). The text is given here in full because of MN 14's brevity. Translation: Bhikkhu Sujato (CC0, SuttaCentral).

Mahānāma's question

§1So I have heard. At one time the Buddha was staying in the land of the Sakyans, near Kapilavatthu in the Banyan Tree Monastery.

§2Then Mahānāma the Sakyan went up to the Buddha, bowed, sat down to one side, and said to him, "For a long time, sir, I have understood your teaching like this: 'Greed, hate, and delusion are corruptions of the mind.' Despite understanding this, sometimes my mind is occupied by thoughts of greed, hate, and delusion. I wonder what qualities remain in me that I have such thoughts?"

§3"Mahānāma, there is a quality that remains in you that makes you have such thoughts. For if you had given up that quality you would not still be living at home and enjoying sensual pleasures. But because you haven't given up that quality you are still living at home and enjoying sensual pleasures.

The crucial teaching — superior pleasure displaces inferior pleasure

§4Sensual pleasures give little gratification and much suffering and distress, and they are all the more full of drawbacks. So, Mahānāma, even though a noble disciple has clearly seen this with right wisdom, as long as they do not achieve the rapture and bliss that are apart from sensual pleasures and unskillful qualities, or something even more peaceful than that, they can return to sensual pleasures. But when they do achieve that rapture and bliss, or something more peaceful than that, they do not return to sensual pleasures.

§5Before my awakening — when I was still unawakened but intent on awakening — I too clearly saw with right wisdom that: 'Sensual pleasures give little gratification and much suffering and distress, and they are all the more full of drawbacks.' But so long as I didn't achieve the rapture and bliss that are apart from sensual pleasures and unskillful qualities, or something even more peaceful than that, I didn't announce that I would not return to sensual pleasures. But when I did achieve that rapture and bliss, or something more peaceful than that, I announced that I would not return to sensual pleasures.

The drawback catalog (echoing MN 13)

§6And what is the gratification of sensual pleasures? There are these five kinds of sensual stimulation. What five? Sights known by the eye, which are likable, desirable, agreeable, pleasant, sensual, and arousing. Sounds known by the ear … Smells known by the nose … Tastes known by the tongue … Touches known by the body, which are likable, desirable, agreeable, pleasant, sensual, and arousing. These are the five kinds of sensual stimulation. The pleasure and happiness that arise from these five kinds of sensual stimulation: this is the gratification of sensual pleasures.

§§7–14 — The drawback catalog continues in the same eight categories as MN 13 §§8–15: the labor of earning (§7), failure to earn (§8), success and its anxiety (§9), social conflict (§10), battle (§11), siege warfare (§12), crime and punishment with the named tortures (§13), and bad rebirth from misconduct (§14). Each is named as "a drawback of sensual pleasures apparent in the present life, a mass of suffering caused by sensual pleasures" — except §14, which is the drawback in lives to come.

The Jain encounter on Black Rock

§15Mahānāma, this one time I was staying near Rājagaha, on the Vulture's Peak Mountain. Now at that time several Jain ascetics on the slopes of Isigili at the Black Rock were constantly standing, turning down seats. And they felt painful, sharp, severe, acute feelings due to overexertion.

§16Then in the late afternoon, I came out of retreat and went to the Black Rock to visit those Jain ascetics. I said to them, 'Reverends, why are you constantly standing, turning down seats, so that you suffer painful, sharp, severe, acute feelings due to overexertion?'

§17When I said this, those Jain ascetics said to me, 'Reverend, the Jain ascetic of the Ñātika clan claims to be all-knowing and all-seeing, to know and see everything without exception, thus: "Knowledge and vision are constantly and continually present to me, while walking, standing, sleeping, and waking." He says, "O Jain ascetics, you have done bad deeds in a past life. Wear them away with these severe and grueling austerities. And when in the present you are restrained in body, speech, and mind, you're not doing any bad deeds for the future. So, due to eliminating past deeds by fervent mortification, and not doing any new deeds, there's nothing to come up in the future. With no future consequence, deeds end. With the ending of deeds, suffering ends. With the ending of suffering, feeling ends. And with the ending of feeling, all suffering will have been worn away." We endorse and accept this, and we are satisfied with it.'

§18When they said this, I said to them, 'But reverends, do you know for sure that you existed in the past, and it is not the case that you did not exist?' 'No we don't, reverend.' 'But reverends, do you know for sure that you did bad deeds in the past?' 'No we don't, reverend.' 'But reverends, do you know that you did such and such bad deeds?' 'No we don't, reverend.' 'But reverends, do you know that so much suffering has already been worn away? Or that so much suffering still remains to be worn away? Or that when so much suffering is worn away all suffering will have been worn away?' 'No we don't, reverend.' 'But reverends, do you know about giving up unskillful qualities in this very life and embracing skillful qualities?' 'No we don't, reverend.'

§19'So it seems that you don't know any of these things. That being so, when those in the world who are violent and bloody-handed and of cruel livelihood are reborn among humans they go forth as Jain ascetics.'

The Bimbisāra pleasure debate

§20'Reverend Gotama, pleasure is not gained through pleasure; pleasure is gained through pain. For if pleasure were to be gained through pleasure, King Seniya Bimbisāra of Magadha would gain pleasure, since he lives in greater pleasure than Venerable Gotama.' 'Clearly the venerables have spoken rashly, without reflection. Rather, I'm the one who should be asked about who lives in greater pleasure, King Bimbisāra or Venerable Gotama?' 'Clearly we spoke rashly and without reflection. But let that be. Now we ask Venerable Gotama: "Who lives in greater pleasure, King Bimbisāra or Venerable Gotama?"'

§21'Well then, reverends, I'll ask you about this in return, and you can answer as you like. What do you think, reverends? Is King Bimbisāra capable of experiencing perfect happiness for seven days and nights without moving his body or speaking?' 'No he is not, reverend.' 'What do you think, reverends? Is King Bimbisāra capable of experiencing perfect happiness for six days … five days … four days … three days … two days … one day?' 'No he is not, reverend.' 'But I am capable of experiencing perfect happiness for one day and night without moving my body or speaking. I am capable of experiencing perfect happiness for two days … three days … four days … five days … six days … seven days. What do you think, reverends? This being so, who lives in greater pleasure, King Bimbisāra or I?' 'This being so, Venerable Gotama lives in greater pleasure than King Bimbisāra.'"

That is what the Buddha said. Satisfied, Mahānāma the Sakyan approved what the Buddha said.

· · ·

Self-check quiz

Ten questions. Click an answer to see immediate feedback. No score is recorded — this is for your own checking.

Question 1 of 10
Who comes to the Buddha at the opening of MN 14, and what is his relationship to the Buddha?
Correct: C. Mahānāma is the Buddha's cousin, a member of the Sakya royal clan, and a deeply committed lay disciple. The intimacy matters: the discourse is the Buddha answering not a stranger but his own kin, with the candor that comes from long mutual trust.
Question 2 of 10
What is Mahānāma's honest question to the Buddha?
Correct: B. This is the perennial honest question of every serious practitioner. The conceptual framework is in place. The understanding is real. And yet the mind still does it. The discourse is the Buddha's answer.
Question 3 of 10
The Buddha's diagnosis of Mahānāma's predicament makes a specific structural claim. What is it?
Correct: C. This is one of the most important structural teachings in the canon. The drawback can be clearly seen — and the return continues. The release comes not by force of will or by deeper understanding but by access to a different, superior pleasure. The Buddha names this as "the rapture and bliss apart from sensual pleasures" — the first jhāna or higher.
Question 4 of 10
What specifically is the "superior pleasure" the Buddha names as displacing sensual pleasure?
Correct: D. The pīti and sukha of the first jhāna, with the formless attainments named as "more peaceful." The Buddha is being precise about which specific contemplative attainment makes the difference. The mechanism is not force or willpower; it is the availability of a superior alternative pleasure.
Question 5 of 10
In §5, the Buddha gives a brief autobiographical confirmation. What does he say about his own pre-awakening experience?
Correct: C. The structural point is decisive. Mahānāma is not failing as a student. He is at the predictable middle stage — the same stage the Buddha himself was at before awakening. The diagnosis is precise and the prescription is clear: contemplative training, not redoubled intellectual effort.
Question 6 of 10
The Buddha then narrates a previous visit to ascetics standing in pain at Black Rock. Who are they, and why are they doing this?
Correct: B. The Jain doctrine is logically clean: past karma is the source of present suffering; bodily torment in the present cancels past karma; restraint prevents new karma; therefore karma ends, deeds end, suffering ends. The doctrine depends entirely on having access to information about past lives and karma — information the Jains cannot have.
Question 7 of 10
The Buddha asks the Jain ascetics five questions. To each, they answer "No we don't, reverend." Which set is correct?
Correct: D. The Buddha is questioning the epistemology of the Jain practice. Five claims their practice rests on — and they cannot verify any of them. They are inflicting present pain on speculation about karma they cannot identify in quantities they cannot measure. The Buddha's question is not "are you sincere?" but "do you know?"
Question 8 of 10
The Jains then make a philosophical counter-argument about how pleasure is gained. What is their claim?
Correct: A. The Jain argument is genuinely strong as logic: if pleasure produced pleasure, kings would be the most advanced practitioners — but they're not. Therefore pain must be the path to real pleasure. The Buddha catches the rhetorical sloppiness in "Bimbisāra lives in greater pleasure than you" and turns the debate.
Question 9 of 10
How does the Buddha turn the pleasure debate? What is the new criterion he proposes for "who lives in greater pleasure"?
Correct: C. The criterion is brilliant pedagogically. Bimbisāra's pleasure depends on objects, attendants, food, music, sex, novelty — all of which require movement and engagement. Any stop produces immediate boredom. The Buddha's pleasure does not depend on any of these and so does not collapse when movement and speech stop. The criterion isolates whether the pleasure is contingent or non-contingent. The Buddha's is not.
Question 10 of 10
How does the discourse's teaching apply to modern habit-change? What is the structural parallel?
Correct: C. Anyone who has tried to give up a powerful habit by willpower based on intellectual understanding of its harms has likely failed. The discourse explains why. The contemplative training is what produces the superior reward that releases the pull of the lesser one. The teaching is twenty-five hundred years old and exactly relevant to contemporary addiction science.
Answered 0 of 10 · Correct 0