Early last year, 26-year-old Caitlin Monachan received a devastating diagnosis. She has Niemann-Pick disease, an ultra-rare genetic disorder caused by a missing enzyme, where toxic material builds up ...

I have low serum cholesterol but a high coronary calcium score, and I was told to take magnesium supplements to bring my ...

Q: I’m trying to improve my nutrition, but it’s not easy. Can you help me feel more motivated, please? — Jenny T., Evanston, Ill.