It is quite possible that as Americans, we could top the century mark for life expectancy for all men, women, and every heritage that calls the US home. What that means is that we must look to the future to make sure that we have in place the resources to meet our needs as we age.
The long-term effects of marijuana include physical, emotional, behavioral and addictive components. including: 1  Lung damage from being smoked. 2  Affects mental status especially leading to schizophrenia, depression and anxiety. 3  Decreased fertility.
Heavy Marijuana Use Is Actually Linked to Lower Dopamine Release in the Brain, Study Finds. The same effect is seen with drugs like heroin and cocaine. Researchers in the Department of Psychiatry at Columbia University have revealed some new findings about the effects of heavy cannabis use â chronic marijuana users have compromised dopamine systems.