Physical/body health at its peak

>Physical/body health at its peak
>Mental health continues to decline

How to fix this? Scientifically.

See a psychologist.

Sudoku Puzzles 3x a day
Learn to read moonspeak runes
Admit yourself to a mental institution

Minimum of 1 hour per day doing math problems
Worship the elder gods
Admit yourself to a mental institution

Get enough Omega 3 into your diet
Ascend to the Ethereal Plane
Admit yourself to a mental institution

Does solving problems daily keep your mind healthy? Or is it just a meme?

>Physical/body health at its peak
It is not.

t.someone actually who dedicated two years on active training and learning and one who actually felt what peak of performance mean both mental and physical.
GET more sleep is the best advice I could give you,do one round of 6h and at least two one hour naps throughout the day.

Please answer this. I'm currently going through the most difficult time in my life due to declining brain power. Is it simply because I don't spend time using it intensively?

It does if your problem is age. If your problem is dementia/retard/drug addict/village idiot or mental illness then no

What do you mean age? I'm 21