Depression is a serious mental disorder that causes a significantly reduced quality of life. It’s very common, as about 4.1% of people in the US currently meet the criteria for clinical depression. In a Harvard study published in 2011, women who drank 4 or more cups of coffee per day had a 20% lower risk of becoming depressed .Another study in 208,424 individuals found that those who drank 4 or more cups per day were 53% less likely to die by suicide.
