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