Which physical symptoms can be caused by stress ? (give a list or at least 6 physical symptoms )

Physical symptoms of stress include:Low energy
.Headaches.
Upset stomach, including diarrhoea, constipation, and nausea.
Aches, pains, and tense muscles.
Chest pain and rapid heartbeat.
Insomnia.
Frequent colds and infections.
Loss of sexual desire and/or ability.

Over sleep, Changing eating habits

I'd say replacing that habit (of smoking) with a more healthy habit, like going to the gym. c;