Zinc Uses In biology
Humans need a little bit of zinc to help their body run well. If they do not get enough zinc in their food, they can get a mineral deficiency. Almost two billion people have a zinc deficiency. Zinc deficiency makes one more easily get infections. Some people say that when we get colds, we should take more zinc. Others say that zinc does not make a difference. There are medicines that one can use when they have a cold. People add tiny amounts of zinc compounds to vitamin pills and cereals to make sure that they get enough zinc. Most single-tablet vitamins have zinc in them.