There have been a number of discoveries against the point the point that the human neurons have this ability of renewing themselves in the later ages of life. Your diet should contain a lot of water as our mind and body altogether needs 70% of the total. Ayurveda is a holistic healing science which in fact is knowledge or science of life. While these approaches are definitely effective, they are other more native ways you can help keep your mental health stable. The https://www.myptsd.com/understanding-post-traumatic-stress-disorder-ptsd/76/ mind is the most complex part of the human anatomy and, like the body, is prone to illnesses of varying degrees of validity.
Shed light on it for all to see and consider. If you will be physically healthy, I am sure you can be almost perfect in having a mental health. But again, re-read the above paragraphs before taking them as "the truth.