Clinical Depression is a common illness, different from ordinary sadness, which is a normal reaction. It can affect anyone, and it is not a weakness. It may occur spontaneously in vulnerable individuals, like someone with a family history of depression. Severe stress or traumatic events in childhood, may also make an individual vulnerable to developing depressive illness, later on in life. Recent research has shown that this could be due to the effect of stress hormone cortisol, on the developing brain. Severe stress…..