What's the question here? I am slightly very confused
The first and last one are correct
Answer:
family history plays a major role, and having a history of smoking and drinking elevates risk
Explanation:
Abstinence is a good idea for teenagers because often very young people
are not prepared for the realities and risks that come with sexual
intercourse. These include pregnancy, sexually transmitted infections
and diseases, and the emotional impact that sex has upon them as
individuals.
