Vitamin D and Testosterone: Why UK Men Are Hit Hardest (And How to Fix It)
You step out of the office on a Tuesday in February. It’s been dark since 4 pm. You haven’t seen direct sunlight on your skin in weeks. Your last “outdoor” exposure was a damp 30-second walk from the car to Tesco. Multiply that by five months a year, and you’ve stumbled onto one of the …