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In Japan I saw many middle age men with a full head of hair, there's nothing close to it in any Western country.
Its purely genetic otherwise how would their special prevention carry through to the generations who dont use any of the above. Obviously within the gene pool of the native americans hair loss just didn't exist. Its not uncommon to see families where all family members have zero hair loss like they are still norwood zero at age 50, so we can think of it as much larger family of that type.I've seen claims that some Native American tribes used the Yucca plant to prevent hair loss, which is pretty interesting, though maybe it was used for hair loss that wasn't caused by androgenetic alopecia.
Yeah idk if it is actually true or not, just something I found while researching this online.Its purely genetic otherwise how would their special prevention carry through to the generations who dont use any of the above. Obviously within the gene pool of the native americans hair loss just didn't exist. Its not uncommon to see families where all family members have zero hair loss like they are still norwood zero at age 50, so we can think of it as much larger family of that type.
There hasn't really been a comprehensive evolutionary study of MPA yet. I read an article on Nat Geo a while ago that proposed its appearance during the Ice Age, when Vitamin D deficiency became widespread: Thus, being bald would allow more exposure to sunlight and maybe solve the Vitamin D deficiency in the men that developed MPA.Yeah idk if it is actually true or not, just something I found while researching this online.
I wonder where and when male pattern baldness originated. It exists in Africans, but is virtually nonexistent in Amerindians and some other ethnic groups that were isolated from the outside world for a long time. I wonder if it existed in the very first humans and was then actively selected against within those groups, or if it came to be after those groups were isolated and then it spread within the Old World.
Wouldn't Inuits have high rates of hair loss then? They live in environments with relatively little sunlight, yet androgenetic alopecia is rare among them.There hasn't really been a comprehensive evolutionary study of MPA yet. I read an article on Nat Geo a while ago that proposed its appearance during the Ice Age, when Vitamin D deficiency became widespread: Thus, being bald would allow more exposure to sunlight and maybe solve the Vitamin D deficiency in the men that developed MPA.
Exactly, and only we need a short exposition to sun to achieve the proper Vit DWouldn't Inuits have high rates of hair loss then? They live in environments with relatively little sunlight, yet androgenetic alopecia is rare among them.
Yeah the article didn't say anything about Inuits tho, it was mostly an opinion piece. As I said, there hasn't really been a comprehensive evolutionary study of MPA yet.Wouldn't Inuits have high rates of hair loss then? They live in environments with relatively little sunlight, yet androgenetic alopecia is rare among them.
Also, weren't there some studies that indicate a correlation between male pattern baldness and Vitamin D deficiency?
About the Vitamin D deficiency I was thinking of this info:Yeah the article didn't say anything about Inuits tho, it was mostly an opinion piece. As I said, there hasn't really been a comprehensive evolutionary study of MPA yet.
As far as I know Vitamin D deficiency can aggravate or worsen MPA, but I'd worry more about Osteoporosis. 30 mins of direct Sunlight a day are very important for keeping your bone density and overall structure.
There is a link between Vitamin D deficiency and balding faster, along with other health issues. About that paper, I wouldn't put much thought into it: The study was done on an extremely small pool of people (50 men in the study group and 25 men in the control group) in a country where Vitamin D deficiency is common (Russia) and published by a low impact factor magazine (Biological Trace Element Research). For the record, there are some studies that suggest a correlation between aggressive hairloss and heart attacks or cardiovascular diseases, but this has yet to be proven.About the Vitamin D deficiency I was thinking of this info:
Weird how male pattern baldness is still just viewed as a genetic trait or a cosmetic issue or something irrelevant. I think the only reason it is is due to how common it is. If it was a rare condition like alopecia areata it probably would be considered to be a disease or something close to it.