Avoid excessive exposure to sunlight and cover bare skin with clothing or sunscreen when in the sun.

Aperson who doesn't have enough calcium in his or her diet is at risk for developing bones that are weak and break easily. this condition is known as  a.  osteoporosis.    b.  crohn's disease.    c.  celiac disease.    d.  hemophilia.

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

If you feel pain while stretching, you should do any of the following except: a. stretch farther. b. back off the stretch. c. find an alternative. d. stop stretching.