there are many habits, not everything listed here is correct or sound, people are different. And there are other ways to nurture, one is the ketogenic diet you've seen, it's a nice concept I leave you with 2 posts here https://steemit.com/health/@lifeworship/energy-clarity-and-healthful-vitality this is some general information, really important it's gathered from many sources, I've also added some of my thoughts, and https://steemit.com/health/@jrcornel/my-experience-with-a-water-fast
you can see his experience he mad 3 posts 2 on how he got the problem and how he solved it(low testosterone spoilers :D) and this is a elaboration on the water fast, there was also a really nice series of videos from chrisbeatcancer on youtube again much like the first post he did a nice summation :)(

Cheers mate ! ! !