Questions tagged [addiction]

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1answer
58 views

Why do we develop addiction? [duplicate]

Recently, while on the train, I saw a person not holding the handrails on purpose. He decided that playing a game with no outcome whatsoever was more important than his safety. In fact, he bumped into ...
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0answers
81 views
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1answer
396 views

Can controlled dose of Codeine improve brain's functionality?

What I know so far about drugs (codeine, heroin, etc) is, the first time you take them you will feel better, think sharper, and act better, just like a supercharged engine. But as this goes on a ...
6
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2answers
216 views

Is addiction adaptive?

Addiction and addictive traits seem common amongst animals. A pubmed query shows it's been studied in everything from humans to worms. My personal favorite of these is: "Individual Consistency of ...
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4answers
10k views

Why would a plant evolve to produce an addictive chemical?

It seems kind of anti-productive in terms of survival for a plant to produce an addictive chemical as that plant will constantly be sought after by animals that ingest it. In this instance, I'm ...
2
votes
1answer
513 views

Why are cats attracted to catnip?

According to wikipedia, the active substance is nepetalactone ($C_{10}H_{14}O_{2}$) which has weak sedative, antispasmodic, febrifuge, and antibacterial effects in human. Ok, but why are cats so fond ...
2
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1answer
325 views

Can Opioids Attenuate some of the symptoms of Psychosis?

Can Opioids Attenuate some of the symptoms of Psychosis? I ask because there's a dead link on the Wikipedia page that's meant to support the notion that opioids attenuate some of the symptoms of ...
3
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1answer
4k views

Can a person become addicted to tea?

Can one become addicted to tea like coffee addicts or smokers? I heard there are some common substances in tea and coffee, do they cause addiction?
6
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2answers
529 views

Why do the brains of cocaine-users shrink faster than the brains of non-cocaine users?

http://news.sciencemag.org/sciencenow/2012/04/cocaine-may-age-the-brain.html?rss=1 Cocaine-dependent individuals showed a significantly greater-than-normal age-related decline in gray matter in ...