Who is at the greatest risk of contracting STIs? A.
a sexually active person at age 22
B.
a sexually active person at age 16
C.
a sexually active person at age 20
D.
none of the above

Who is at the greatest risk of contracting STIs?
A.
a sexually active person at age 22
B.
a sexually active person at age 16
C.
a sexually active person at age 20
D.
none of the above

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

How can a general chart for physical activity recommendations patients improve their overall health?

A72-year-old woman fell in her bathtub and fractured her hip. in viewing the fracture, x-ray revealed osteoporotic changes in her bone as well. after reduction of the fracture, and immobilizing the bones with internal pins, what type of exercise would the doctor have advised her to do as soon as she was able in addition to prescribing calcium supplements to improve her bone mass?