Day: June 21, 2013

Irvine, Calif. June 21, 2013 – UC Irvine and Mayo Clinic researchers have found that vitamin D levels in the U.S. population peak in August and bottom out in February. The essential vitamin – necessary for healthy bones – is produced in the skin upon exposure to ultraviolet B rays from the sun. Vitamin D helps […]

Irvine, Calif. June 21, 2013 – UC Irvine and Mayo Clinic researchers have found that vitamin D levels in the U.S. population peak in August and bottom out in February. The essential vitamin – necessary for healthy bones – is produced in the skin upon exposure to ultraviolet B rays from the sun. Vitamin D helps […]