Holick has a solution--limited direct exposure to the sun--that infuriates many dermatologists worried about the skin cancer risk. (A far better idea, they say: Take a supplement.) In 2004 he published his book The UV Advantage, touting the benefits of sun exposure, and was kicked out of the BU dermatology department, where he previously held a joint appointment.

FORBES: Magazine Article

The Department of Dermatology in the Stanford School of Medicine has had a long-standing research-based relationship with Nu Skin Enterprises.

FORBES: Preying on an Easy Mark