Question

why do docter often ask elderly people to take at least one calcium tablet per day?

Answer 1

Because they are week they need more calcium than human being that why they need calcium daily

Answer 2

Because calcium is key for the health of your bones and teeth, but it also affects your muscles, hormones, nerve function, and ability to form blood clots. Plus, research has suggested—although not yet confirmed—that calcium may help other problems like PMS, high blood pressure, and possibly weight gain.

hope this will help you :-))