Isaiah is using a drug that can be helpful to people who need it but is harming to his body his motivation is to gain muscle for a sports team he wants to join which drug is Isaiah most likely using A alcohol B tobacco C over-the-counter drugs D performance-enhancing drugs

D. performance-enhancing drugs

Explanation: Alcohol wouldnt help and neither would tobacco, C is a possibility depending on what drug it is but D is the most likely answer see as its literally in the name "PERFORMANCE ENHANCING".

D he is using PEDs just like how barry bonds did

Explanation:

by going smokefree, you could improve the well-being of your friends, family, coworkers, and even your pets. here’s how the cigarettes you smoke affect the people around you.