How does George Lamb have grey hair?

he cant be any older than 30 odd. I've heard of premature baldness in men but never premature grey! Or does he dye his hair? If you think he dyes his hair any ideas why?How does George Lamb have grey hair?
-Vitamin B12 deficiency


-Neurofibromatosis (also called Von Recklinghausen's disease). This group of inherited diseases causes tumors to grow along nerves. It may cause the bones and skin to develop abnormally.


-Tuberous sclerosis. An unusual, inherited condition that causes benign tumors in multiple organs (including the brain, heart, kidneys, eyes, lung and skin)


-Thyroid disease


-Vitiligo. This condition causes melanocytes (the cells at the base of hair follicles that produce color) to be lost or destroyed鈥攑erhaps because the immune system ';misfires'; and attacks the scalp rather than an infection.


-Alopecia areata. A disorder in which patches of hair may be suddenly lost, especially the colored (non-gray) hairs. This may lead to ';overnight'; graying because previously present gray or white hairs suddenly become more obvious. When hair growth resumes, it may be white or gray, but colored hair may eventually return.


-Some research also links premature graying to heart disease and low bone mass (called osteopenia, a precursor of osteoporosis). How these conditions relate to hair graying is unclear. Cigarette smoking can also cause premature graying.How does George Lamb have grey hair?
Sarcasm is not your strong suit I see.

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