Per a recent UK Research, smoking 20 cigarettes a day is associated with a reduction in life expectancy of eight to ten years.
Now the alarming new: average reduction in life expectancy in people with
· bipolar disorder – between nine and 20 years,
· 10 to 20 years for schizophrenia,
· between 9 and 24 years for drug and alcohol abuse,
· and around seven to 11 years for recurrent depression.
All mental health conditions studied had higher death rates when compared with the general population, with a reduction in life expectancy of between seven and 24 years.
Source: Journal World Psychiatry