Inadequate consumption of can cause an increased risk of strokes and heart attacks.

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.

How harmful is it to smoke a pack of cigarettes a week?

The normal function of a gene is to a. encode a protein b. prevent illness c. mutate into other cells d. determine personality select the best answer from the choices provided. a b c d