Vitamin B12 is a vital nutrient with numerous health benefits. Learn more about what it does in the body and how to get enough of it.

For years, a glass of milk felt harmless, even wholesome. Then subtle signals began to stack up and point elsewhere. I set ...

Feb. 3, 2025 — Maternal vitamin D levels in the first trimester were related to both prenatal growth and pregnancy outcomes, according to a new study. Low vitamin D levels during the first trimester ...

Feeling cold can be due to a deficiency in certain B vitamins or iron, which causes anemia. Vitamin B12 and folate (vitamin B9) deficiencies lead to fewer red blood cells, making you feel cold. If you ...