Explain why the overprescription of antibiotics by doctors

to treat any possible bacterial infection

Explanation:

the main cause of most illnesses could be a bacterial infection

Well...how do I put this... some of us were burnt.

Explanation:

if this is a serious question I'm pretty sure it's because we evolved from monkies so some of us kept the same skin color and that's why some are white and the other are... ahem cough cough. black