Author Topic: Scientists Find What Makes Hair Turn Gray  (Read 2790 times)

glacier_71

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Scientists Find What Makes Hair Turn Gray
« on: May 21, 2010, 12:49:51 AM »
What causes our silvery strands  is becoming less of a gray area to scientists.

Reported in the science journal Cell, researchers noted that gray hair is indeed a result of stress -- but not necessarily the emotional stress from a demanding job or an unruly teenager. Instead, gray hair can be caused by cell stress.

Stress to the cells surrounding the hair follicles can be caused by damaging agents such as chemicals, ultraviolet light and ionizing radiation. According to the study's lead author, Emi Nishimura, a single cell may encounter up to 100,000 events a day that damage the DNA of these follicles which are responsible for the hair's color. It's this type of "genotoxic stress" that depletes the melanocyte stem cells within hair follicles that are responsible for making pigment-producing cells.

"In this study, we discovered that hair graying, the most obvious aging phenotype, can be caused by the genomic damage response through stem cell differentiation, which suggests that physiological hair graying can be triggered by the accumulation of unavoidable DNA damage and DNA-damage response associated with aging through MSC differentiation," researchers reported in Cell.

And while they state that the majority of this damage is unavoidable, therefore making stress less of a factor in the color of your hair, it can have a significant role in the amount of hair we have. As we previously reported on Stylist, stress can cause hair to fall out, so all the more reason to live a healthy, balanced lifestyle.

Stress aside, many experts agree that genetics still play the largest role in determining when you can expect the grays to start creeping in. "When hair turns gray -- and which hairs turn gray -- is genetically programmed," Jerry Shapiro, M.D., professor of dermatology at New York University's Langone Medical Center told AARP's Bulletin Today.

Other factors that can influence gray hair include: vitamin B12 deficiency, smoking, heart disease, low bone mass, certain tumors or thyroid disease. Vitiligo, a condition where the cells at the base of hair follicles that produce color are damaged or destroyed by an immune system disorder, can also result in premature grays. And, alopecia areata, a disorder where patches of non-gray hair are lost suddenly, can make it appear that someone turned gray overnight.



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hubag bohol

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #1 on: May 21, 2010, 01:05:57 PM »
Ang pagkaubanon is primarily genetic kuno, parehas sa pagkaupaw.  There's little that can be done...

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statesville

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #2 on: May 25, 2010, 05:45:16 AM »
 ;D akong  alimpu naa uban balig 2-3 tingali,
   wana guwang na si manang dili na kapugngan

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #3 on: May 25, 2010, 06:09:03 AM »
;D akong  alimpu naa uban balig 2-3 tingali,
   wana guwang na si manang dili na kapugngan

 State's, 12 yrs old pa ko when i noticed i have a gray hair. Tanang Auntie nako ug Uncle sa mother side bisan dili pa sila tiguwang gipang uban na. Pero motu-o ko aning malaglag atong buhok tungod sa STRESS. 4 yrs ago diri sa opisina, naa koy gikapungtan ug tungod kay ako lang gihilum, ako  ang na apiktuhan. Dihay parts sa akong buhok nga nangataktak, mura kadak-a ang SIZE sa peso nga kara-an. Ug maoy sulti sa Doctor nako nga stress kuno. Kalo-oy sa dios miturok ug balik after applying a medication. SALT & PEPPER na ang akong buhok karon. Magtina ko twice a year. December & May para dili kaayo halata inig gawas sa FB. ;)

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Raquelproud boholana

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #4 on: May 25, 2010, 11:26:36 AM »
Karemember jud ko sa gamay pa ko akoy permi suguon ug paibot ug uban sa akong Nanay. Perti pa to siya ka nihit ug uban unya mo insist jud nga daghan kono siya ug uban bisan tagsa ra dayon ipaibot jud kay katow kono. Naa man koy iring nga puti unya kadugayang sugo sa akong nanay kay molikay naman ko mao suhulan na ko niya kara uban. Sumangil ko ug ibot sa iyang itom nga buhok then ihatag nako ang puti nga buhok sa akong iring hehehhe. Wa jud toy kalibutan akong nanay ug balhibo ba diay sa iring tong uban kunuhay nga akong gihatag niya. Moingon intawon kara human ug pangibot nga batug ra kay katol jud kono iyang ulo napuno naman diay kono ug uban heheheh. I wonder ug naa ba kaha koy payback adtong akong gibuhat heheheh.

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #5 on: May 25, 2010, 03:27:54 PM »
Karemember jud ko sa gamay pa ko akoy permi suguon ug paibot ug uban sa akong Nanay. Perti pa to siya ka nihit ug uban unya mo insist jud nga daghan kono siya ug uban bisan tagsa ra dayon ipaibot jud kay katow kono. Naa man koy iring nga puti unya kadugayang sugo sa akong nanay kay molikay naman ko mao suhulan na ko niya kara uban. Sumangil ko ug ibot sa iyang itom nga buhok then ihatag nako ang puti nga buhok sa akong iring hehehhe. Wa jud toy kalibutan akong nanay ug balhibo ba diay sa iring tong uban kunuhay nga akong gihatag niya. Moingon intawon kara human ug pangibot nga batug ra kay katol jud kono iyang ulo napuno naman diay kono ug uban heheheh. I wonder ug naa ba kaha koy payback adtong akong gibuhat heheheh.

Hahahahahahaha. Namuot ko aning imong istorya Te. Bwahahahaha. Mga kabuang niadtong mga bata pa. Ako pud saun kay pairokon sa ahong Mama sa ijahang u kay katow kono, mapungot ko usahay. Inig ka human ni Mama si Manang pud magpairok, ahak na. ;D

Sakto tong giingon ni BQN nga makaupaw ang stress. Ang inahan sa ahong uyab, naay dakong singko sa u nija. Stress pud kono to. ;D

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hubag bohol

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #6 on: May 25, 2010, 06:31:04 PM »
Karemember jud ko sa gamay pa ko akoy permi suguon ug paibot ug uban sa akong Nanay. Perti pa to siya ka nihit ug uban unya mo insist jud nga daghan kono siya ug uban bisan tagsa ra dayon ipaibot jud kay katow kono. Naa man koy iring nga puti unya kadugayang sugo sa akong nanay kay molikay naman ko mao suhulan na ko niya kara uban. Sumangil ko ug ibot sa iyang itom nga buhok then ihatag nako ang puti nga buhok sa akong iring hehehhe. Wa jud toy kalibutan akong nanay ug balhibo ba diay sa iring tong uban kunuhay nga akong gihatag niya. Moingon intawon kara human ug pangibot nga batug ra kay katol jud kono iyang ulo napuno naman diay kono ug uban heheheh. I wonder ug naa ba kaha koy payback adtong akong gibuhat heheheh.

Maajo na lang dili balhibo sa ilok ang gipaibot, he he... ;D


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hubag bohol

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #7 on: May 25, 2010, 06:35:29 PM »
Hahahahahahaha. Namuot ko aning imong istorya Te. Bwahahahaha. Mga kabuang niadtong mga bata pa. Ako pud saun kay pairokon sa ahong Mama sa ijahang u kay katow kono, mapungot ko usahay. Inig ka human ni Mama si Manang pud magpairok, ahak na. ;D

Sakto tong giingon ni BQN nga makaupaw ang stress. Ang inahan sa ahong uyab, naay dakong singko sa u nija. Stress pud kono to. ;D

Kon diha pa moy unggoy, Bay Tigs, kadtoy kasaligan moirok...

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Raquelproud boholana

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #8 on: May 26, 2010, 12:13:23 AM »
Maajo na lang dili balhibo sa ilok ang gipaibot, he he... ;D

nakaibot bitaw pud ko ug balhibo sa ilok. Sa gamay pa ko kay dili ko katug Toy ug di kasimhot sa ilok sa akong nanay. Humotan jud ko sa ijang ilok ug naay time nga ma tense ko in public places mokuot jud ko sa ilok sa akong Nanay aron makasimhot ko sa kahumot dayon mawala na dayon akong tention hehehhe.Makasab an ko sahay jud kay gapakauwaw ra kono ko segi simhot simhot sa ilok heheheh unsaon nga lahi man ug baho ning ilok sa atong inahan,humot man para natong mga bata.

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hubag bohol

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #9 on: May 26, 2010, 04:44:24 AM »
nakaibot bitaw pud ko ug balhibo sa ilok. Sa gamay pa ko kay dili ko katug Toy ug di kasimhot sa ilok sa akong nanay. Humotan jud ko sa ijang ilok ug naay time nga ma tense ko in public places mokuot jud ko sa ilok sa akong Nanay aron makasimhot ko sa kahumot dayon mawala na dayon akong tention hehehhe.Makasab an ko sahay jud kay gapakauwaw ra kono ko segi simhot simhot sa ilok heheheh unsaon nga lahi man ug baho ning ilok sa atong inahan,humot man para natong mga bata.

Aw, he he, tinuod diay ning bata nga ganahan mosimhot sa ilok sa inahan. Diha koy kaila sauna nga mao pud ang gisulti. Diha pud koy pag-umangkon nga nagbakasyon sa amoa unja gipabawnan og sinul-ob nga sinila sa ijang mama nga ipaunlan inigkatulog aron kuno dili maghusa...

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hubag bohol

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #10 on: May 26, 2010, 04:49:49 AM »

Sakto tong giingon ni BQN nga makaupaw ang stress. Ang inahan sa ahong uyab, naay dakong singko sa u nija. Stress pud kono to. ;D

Makaupaw ang stress? Hinuon, kining stress bisag unsa na lay epekto sa atong panglawas. Pero diha koy silingan nga sigi lag tingsi, wa juy gidulaw pero and ulo sinaw pas itlog sa baka sa Australia... ;D

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #11 on: May 26, 2010, 05:22:28 AM »
 Bai Hubag, waman hino-on ko ma upaw, pero dihay parts sa akong buhok nga nanga tak-tak mora ka dak-a ug peso nga si RIZAL :D wa gyud ko kahibaw, until giingnan ko sa nag tupi nako didto sa ICM nga Sir, naa lagui dako kaayong pahak nimo :o perting kurata nako kay natay mingan pa gyud sa akong pag bakasyon :(

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hubag bohol

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #12 on: May 26, 2010, 05:26:27 AM »
Bai Hubag, waman hino-on ko ma upaw, pero dihay parts sa akong buhok nga nanga tak-tak mora ka dak-a ug peso nga si RIZAL :D wa gyud ko kahibaw, until giingnan ko sa nag tupi nako didto sa ICM nga Sir, naa lagui dako kaayong pahak nimo :o perting kurata nako kay natay mingan pa gyud sa akong pag bakasyon :(

Oi, wala diay unta kay stress adto, kay bakasyon man. Or basin na-stress ka kay daghang nangayog painom, he he... ;D

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Re: Scientists Find What Makes Hair Turn Gray
« Reply #13 on: May 26, 2010, 05:29:07 AM »
Oi, wala diay unta kay stress adto, kay bakasyon man. Or basin na-stress ka kay daghang nangayog painom, he he... ;D

 Hehehehee! Na STRESS siguro kay wala nay nag pa UTANG! :D

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