A major study has shown the real impact of depression on your overall physical health.
Experts say if the depression is left untreated, it can heighten the risk of another stroke.
The research has been described as a game-changer in understanding the condition.
This could be the key to getting treatment to more people in need.
Genes could make people more sensitive to their environment.
New hope for millions of patients who aren't helped by current therapies.