Answer:
Subtract your age from 220 to get your maximum heart rate. Calculate your resting heart rate by counting how many times your heart beats per minute when you are at rest, such as first thing in the morning.
Answer:
Body produces dependence.
Explanation:
This means that when the person stops taking the drug they have physical and psychological symptoms of withdrawal. This can be muscle cramping, diarrhea, and anxiety. (Google.)
Answer:
by far, its alcohol. It's involved in more homicides than pretty much every other substance, combined.
Explanation:
