Medically reviewed by Qin Rao, MD Key Takeaways If you don't get enough calcium, you might feel muscle cramps and aches.  Weak bones from low calcium can lead to problems like osteopenia or ...

Calcium deficiency, or hypocalcemia, occurs when calcium levels in the body drop below normal, affecting key functions like muscle movement, nerve signaling, and bone strength. Often caused by medical ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." While calcium is most often thought of in the context of building strong bones and teeth, its role in the ...