Which is the best definition of a risk factor?
the combination of quality of life and life expectancy
smoking a cigarette or drinking a beer while a teenager
a behavior or condition that might lead to disease or injury
a hereditary disease that a person is likely to develop later in life

*edit* i took the test and i picked a and it was incorrect for its c! rank the following suggestions for preventing std, in order of increasing effectiveness. 1) using latex condoms properly 2) using spermicidal foam or jelly with a monogamous partner 3) abstaining from sexual intercourse and genital contact a. 1, 2, 3c. 2, 1, 3

How can people get cancer? what types of cancer are there? plz i’ll mark u brainliest

Who could you talk to if you were concerned about your own mental health or that of a loved one?