Psychologically average Indian young person is more unhappy and unstatisfied than ever, this is both because of lack of new opportunities and employment and now Indians are able to see on YouTube and compare living standards to people in foreign countries, psychologically most Indians are devastated because of this new found info.

When you are in doom and gloom state, probably immune system also doesn't perform quite as well and it doesn't help that even basic medicines and healthcare facilities are not available to many of us in India now.