When trying to gain or lose weight, it is important to consider intake of calories A) over time
B) over water
C) over sleep
D) over exercise

Can someone give me one specific health problem, and explain it. !

How is health different for most people in this country today from what it was for people born in 1900? a. people have a shorter life span. b. people today work harder to survive. c. people today live in poorer sanitary conditions. d. people today can focus less on day-to-day survival and more quality of life.

Which is the link between heredity and tobacco addiction