Being fit and healthy has two pillars — exercise and food. Both of them should be varied and plentiful.
The human body needs vitamins and nutrients in order to function properly. Varied and heathy diet is the key to achieving this. What does varied diet look like — having lots of veggies, fruits (as is, not in a fresh or juice form, because they contain a lot of sugar minus the fibers), nuts (preferably raw), plenty of water (30ml per kilogram) and animal protein and fat sources (meat, dairy, eggs, etc.) …
There are a lot of startups and companies appearing every month. Most of them do shit, only a few matter and should receive support and investments. What separates the former from the latter?
Easy — there are many issues waiting for good solutions which have an impact on the environment, society, science, technology and health.