It wasn't until that medical studies began to reveal the link between smoking and lung cancer. 1920s 1960s 1980s

How would you know if a healtcare provider meets the requirements of a skill?

What are hormones? a. they are minerals needed for proper bone formation. b. they are the parts of the body targeted by endocrine glands. c. they are substances needed for muscle and nerve activity. d. they are substances released by endocrine glands.

Describe the potential effects, on people, of unprotected exposure to the sun. give an example of 1 new thing have you learned about the sun’s uv rays.