Mindfulness, awareness, and rethinking habits are the themes. Start again and again with simple basics. "Give yourself a pat on the back sometimes!" - so you never stop learning, also with nutrition. Fasting in everyday life is a matter of practice because the implementation is not problem-free for everyone, but rather a matter of course that can become a habit. Fasting can be supplemented with "interval training". Growth hormone effects, BDNF can be significantly increased. Regenerative effects are documented and proven as well as cognitive abilities increase.