Why would a person self esteem affect his or her health

When someone has low self-esteem they may have problems with relationships, Health, and commonly negative feelings. Which all affect someone's mental and physical state.  High self esteems are normally more proactive and positive. They are keeping themselves healthier and caring about themselves. (not all but it is common).

Hope this helped!

Because if a person has low self esteem issues it would effect their mental health (Which is very important to your health. You need a good Social, Physical, and Mental&Emotional health to be healthy.)