How old does most young adults start to experiment with "sex"

I think it's around 14-18. Sometimes it can be a little earlier or later.

maybe 30 but it's a writing prompt right?

Explanation:

True

Explanation:

This statement is true. Medical researchers at Harvard and Stanford universities found that leading a sedentary lifestyle (sedentary meaning minimal exercise with little movement) leads to a higher risk of health complications (which can be more prevalent in older age).

This finding strongly recommends that middle-aged people should undertake some form of regular exercise so as to not fall into the category of "sedentary".