Why are there no “perfect drugs” that work well without side effects?

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It seems like the more potent a drug/medication is, the more risks are involved with it, where as drugs with very little risk don’t help nearly as much.

In: Biology

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Anonymous 0 Comments

Drugs work by altering the production of neurotransmitters. For example, an antidepressant, an SSRI specifically, will inhibit the neurotransmitter serotonin in certain parts of your brain, but that inhibition causes the increase of serotonin in other parts of your brain, it increases it in the parts of your brain that will help with depression, but it also increases it in other unintended parts of your brain, that’s how side effects occur. Developing a perfect drug requires causing the increase of a/multiple neurotransmitter(s) in only the intended part(s) of the brain.

e: a word

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