I have been hacking my body's chemistry for over 5 years. Here is what I've learned.
If you don’t suffer from any chromosomal abnormalities; such as albinism, bad eyesight, Alzheimer’s, late development achievements(anal retentive). You are doing well as a living being.
if you can read, write and speak at the age of 32, you are average. Nowadays.
Everyone suffers from anxiety and depression, mostly women but they compensate with materialism and their children in most cases.
Finally, this is nothing new. People in 3rd world countries like Sudan, India and some Arabic countries in African usually fast for week and clean their system with herbs.
The 20% of the population are the cripples, blind ,mute and retarded(lack of development in social skills,speech and personal care). They have the real issues.