Any kind of loss, hurdle or let-down in life can lead to feelings of sadness and this is absolutely normal. However, if the feeling of sadness persists for longer than a few days and starts interfering with normal functioning, it certainly calls for attention. Watch out for this could be the early sign of depression.
Depression does not affect one person alone but has its repercussions on his entire family, friends as well as his work. Apart from the cost of depression treatment, there are other huge costs involved in terms of lost productivity and absenteeism from work. Additionally, it is one of the leading causes of disability all over the world and affects more than 121 million people globally