A study of more than 2,000 older adults finds that higher blood levels of vitamin C are associated with greater gray matter volume and stronger brain network connectivity.

In a large clinical trial, people taking a daily multivitamin appeared to slow their biological aging by about four months over a two-year period.

In a new study, heart attack survivors who received personalized vitamin D3 treatment were 50% less likely to experience a second heart attack.

A large, new review of complementary and alternative treatments for autism finds the evidence for 19 popular therapies isn’t strong enough to recommend them with confidence.