Vitamins and minerals

Vitamin C may offer meaningful protection against the invisible but pervasive threat of fine-particle air pollution. The common antioxidant significantly reduced lung inflammation and cellular damage caused by everyday, low-level exposure to PM2.5.

In the first US study looking at whether the recommended fluoride levels in drinking water affects brain function, researchers have found that the hot-button mineral has no negative impacts on cognition – and may actually be giving it a boost.

Terrified of bloodwork, needles, and clinic bills? Science is getting closer and closer to collecting our health data in fast, affordable, and pain-free ways – the latest example being a cup sticker that measures vitamin C levels in the user's sweat.

A large study has found that calcium supplements, long recommended for bone health, particularly in older women, don’t increase dementia risk, offering reassurance for the millions who take them to protect against osteoporosis.

A new clinical trial suggests magnesium supplements may boost gut bacteria that help block the development of colon cancer – but only for some people, depending on their genes and sex.

An inexpensive, over-the-counter form of vitamin B3 cut new skin cancers by an average of 14% in a study of more than 33,000 people. Among those who began taking a daily dose after a first diagnosis, the risk of a repeat skin cancer fell by up to 54%.

Higher vitamin D in pregnancy could mean sharper minds for kids years later. A large US study found early pregnancy may be the key window for boosting brain development, especially in children of Black mothers.