Every time you read the back of a medicine box the age is always 12 when you are considered an adult. Why is this?
In: Biology
It’s because the development of drug metabolism and clearance pathways (basically, the chemical reactions inside the body) begins in the fetus and throughout childhood.
By the time they reach adolescence, they are assumed to have developed these pathways fully, so they can now metabolize drugs the same way as it happens in adults.
(But just to tell you, body weight or body surface area is more used in pediatrics than age.)
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