Yes you can control your BMI That’s your body mass index. You can either lose weight or gain depending on your size and/or your health issues
I think it would be D. Traits that increase the possibility of developing an illness or disease.
Since we're talking about the negative effects on a person .
Social needs, social behaviors, and social problems are somewhat risks to a person's well being since people are conforming to the needs of society and it takes a lot of work but I think developing an illness or disease is more dangerous thing people consider in their lives.