Cigrates are worse cause it causes lung cancer.
according to hairlossstressactions.com
"Yes, stress and hair loss can be related. Three types of hair loss that can be associated with high stress levels are: Telogen effluvium. In telogen effluvium (TEL-o-jun uh-FLOO-vee-um), significant stress pushes large numbers of hair follicles into a resting phase."
It reduces hearing and it also in creases stamina
June 5th 1981 by the U.S centers for Disease Control and Prevention