1. doctor
2. cutting / surgical
b.)diet
You can't control your age obviously.
You can't really control your family.
You can't control your gender. Gender is coded into your DNA.
They face weaking immune systems brittle bones ways to help with these 2 problems are taking the proper vitamins and living a healthy life style
I think it might be values.
They may experience irritability and depression because when a person constantly smokes, his/her brain begins to rely on the chemicals it gets from the person smoking, which results in the brain "getting lazy" and not producing the chemicals anymore. If the person were to suddenly quit, the brain would lack in the chemicals it had stopped producing, making the person feel constantly annoyed and depressed because of the chemical imbalance.