Jennifer Mulligan, Ph.D., works in her laboratory recently. Her research shows an active form of vitamin D in a nasal spray might help treat a loss of the sense of smell caused by inflammation. (Photo ...

Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

When you decide to spend money on a vitamin or supplement, you want to be sure it delivers. Which is why it can be a bit disheartening to walk down the vitamin aisle at the drugstore looking for a ...

The idea seemed, at first blush, preposterous. “I don’t know anyone spraying vitamin D up a patient’s nose,” said Jennifer Mulligan, Ph.D., co-director of the University of Florida Health Smell ...