Wondering why body weight matters with certain drugs. It’s never made sense to me considering that drugs act on receptors in the brain, so I don’t see why body weight would matter if the drug is only affecting the brain receptors
As drugs travel through your system, they can be absorbed by other cells in your body. If they absorb too much, those cells can die, so by knowing your body weight, you can estimate how much of a drug your body can absorb before it becomes potentially lethal
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