Micronutrients like zinc are only needed in small amounts, but they are essential for survival. In the wild, animals journey from miles around to visit mineral licks to zinc and other vital nutrients direct from the soil. Luckily, you don’t have to eat dirt to get your recommended intake of zinc!
The amount of water we need to drink can vary, person to person, day to day. There is no set prescription as the need to hydrate depends on what you are doing, the climate you are doing it in, and the health of the body you are doing it with. Someone doing physical labour or running a marathon in Central Australia[...]