My skin was uncharacteristically dull and irritated, and my hair was similarly out of sorts—think flat, straw-like strands. I ...

"Calcium helps you build bones, but it's also necessary for your hair, nails, teeth and skin," says Natalie Rizzo, nutrition editor at TODAY. Other minerals, like phosphorus and magnesium ...

scaly skin, changes in the nails, rough hair texture, cramps, seizures, and abnormal heartbeats. Definitive diagnosis of ...