???? ??? ?? ?? ? ????? ? ?? ??? ?? ???? ??? ??? ? ??? ? ??? ? ?? ? ??? ??? ??????.Trichothiodystrophy, frequently known as TTD, is actually a rare inherited ailment that affects lots of aspects of the human body. The hallmark of the condition is hair that's sparse and easily damaged. [from MedlinePlus Genetics]?????? ???? ????? ?? ?? ??? ?? ?? ????… Read More