Further lore of Science: What is the difference between light and dark hair? after Thurid Thorbjarn

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Health sciences: the human body, I've heard that story to get you headed, you will not gráhærður and vice versa. pac Is there something in it or is it just something confusion? In response to the question of Science Why get bald men but not women? after Thurid Thorbjarnardóttir stated that baldness is a result of the scalp are the areas that are particularly sensitive to the male hormone testosterone. Karl hormone causes atrophy hárrótinni that eventually becomes so poor that the hair grow out and falling renewable.
The same author also discusses the gray hair in his answer to the question Can hair become gray if you have a terrible shock? These read Hair caused pac by the pigment melanin, which is formed by special litfrumum which is to be found in the hair follicles. As we age the risk litfrumurnar the hair follicle gradually form melanin and the hair gets gray or white color
At first glance, found no reliable information on the Internet about two things, Hair and alopecia, are linked in such a way that gray Hair prevent men (or women if necessary) hair loss and being bald. Even no need to look far to see examples of gray-haired men who are at least somewhat þunnhærðir. These include, for example, include big game such as Sean Connery, as can be seen from the side, Anthony Hopkins and Jack Nicholson, old poppers on as Billy Joel and even Icelandic Finance Steingrímur J. Sigfússon previously red hair and bald but now appears to be have a pretty grayish tint on the hair that adorn the head.
Further lore of Science: What is the difference between light and dark hair? after Thurid Thorbjarnardóttir Why gray human hair? after Bergþór Björnsson What are the reasons pac for hair loss and what you can do with it? peace thief is Sigurðsson Is it possible to strengthen the hair is starting to thin with supplements for hair obtained in pharmacies? Magnús Jóhannsson
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EDS. "I've heard that story to get you headed, you will not gráhærður and vice versa. Is there something in it or is it just something confusion? ". Science 26.08.2010. http://visindavefur.is/?id=56731. (Viewed 12.24.2014).
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