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Gast
Re: grüner Tee [Beitrag #59833 ist eine Antwort auf Beitrag #59652] :: Thu, 11 January 2007 17:24  
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allein durch stress kann man sterben. wieso also nicht auch die haare? nur mal so 
- eine generell schlechte versorgung der follikel mit blut führt auf dauer sicher auch zu ha.
- mangel an z.b. eisen
- erkrankungen, welche z.b. einen mangel verursachen können, gefaesse verengen oder k.a. 
alles natuerlich total gefaehrliches halbwissen und ohne gewähr
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Re: Selbsttest: Senkt grüner Tee das DHT-Niveau im Blut? [Beitrag #59851 ist eine Antwort auf Beitrag #59232] :: Thu, 11 January 2007 19:46
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chris22
Beiträge: 188 Registriert: November 2005 Ort: Berlin
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Prost Neujahr
Circulating levels of isoflavones and markers of 5alpha-reductase activity are higher in Japanese compared with New Zealand males: what is the role of circulating steroids in prostate disease?Lewis JG, Nakajin S, Ohno S, Warnock A, Florkowski CM, Elder PA.
Steroid & Immunobiochemistry Laboratory, Canterbury Health Laboratories, P.O. Box 151, Christchurch 8001, New Zealand. john.lewis@cdhb.govt.nz
Epidemiological evidence implicates dietary isoflavone intake as protective against prostate disease. A putative mechanism is attenuated circulating androgen levels in male populations consuming an isoflavone rich diet. We investigated this hypothesis by collecting plasma from 60 Japanese and 60 New Zealand males aged between 21 and 31 years each consuming their traditional diets. We measured plasma testosterone, dihydrotestosterone (DHT), androstenedione, dehydroepiandrosterone sulfate (DHEAS), the combined levels of androsterone sulfate and epiandrosterone sulfate (AoS/epiAoS), sex hormone-binding globulin, and cortisol and corticosteroid-binding globulin as well as the isoflavones genistein and equol. Plasma genistein and equol levels were several times higher in Japanese males as would be expected from an isoflavone rich diet. However, androstenedione, DHEAS, calculated free testosterone and paradoxically markers of 5alpha-reductase, DHT and AoS/epiAoS were all also significantly higher in Japanese rather than the New Zealand male counterparts. All other comparisons were not significant. Plasma DHT and DHEAS correlated positively with plasma equol and plasma AoS/epiAoS correlated positively with genistein levels. Taken together the results suggest that, rather than reduced levels of steroidogenesis, Japanese males may have increased 5alpha-reductase activity and possibly altered 17beta OH steroid dehydrogenase activity. Significantly the positive association between isoflavones levels and 5alpha-steroids is counter-intuitive to isoflavone intake offering prostate protection, unless this is postulated to occur through other mechanisms.
Chris
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