Which can impair your ability to think clearly an therefore lead to risky behaviors having a poor diet smoking cigarettes drinking alcohol taking vitamins

drinking alcohol

Explanation:

starvation is bad because your body needs nutrition and to deprive it of nutrition can cause problems with both health and fitness.

explanation:

it can make weight loss slow down over time, but it won't cause someone to gain weight depsite restricting calories. starvation causes weakness in the senses like thirst.