Preliminary research on baldness suggests an surprisingly common cure – Vitamin D:
Essentially, every hair follicle on your head produces a hair every two to six years and then lies dormant for a few weeks or months. For those who suffer from baldness, these follicles simply stop waking up over time. Then, a breakdown in communication stops new skin cells from becoming follicles — they become regular skin cells instead. The key to switching these cells back in the right direction are those vitamin D receptors, and so baldness researchers have been focusing all of their energy in this direction.
Previous Dish coverage on baldness here and here. I'm at peace with my billiard ball.
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