Alopecia areata causes hair to fall out in big patches. The culprit is your own immune system, which attacks healthy hair follicles by mistake. In most cases, the damage isnât permanent. The missing locks should grow back in 6 months to a year. Some people lose all the hair on their scalp and body, but thatâs rare.
When it comes to building strong bones, there are two key nutrients: calcium and vitamin D. Calcium supports your bones and teeth structure, while vitamin D improves calcium absorption and bone growth.
alcium makes your bones strong because it has vitamin D which is a protein and that protein is a very hard substance. So when you calcium it starts to layer kind of like a wal â¦ l around your bones making them stronger.the trick is two sets of cells-one is always desolving your bones, and the second builds up every micro break). For weight bone is one of the strongest materials on earth, super light, flexible and strong, they are chambers of hollow walls allowing them to bend.