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DHEA
and Aging
Scientists* reported that humans tested with 100 milligrams of DHEA
raised the level of testosterone and dihydrotestosterone in aging men
and women over a six month period. At onset, their levels were below
that of young adult levels, and the treatment brought them up to snuff.
However, in women, their levels of SHBG** were reduced. This may
increase their risk of breast cancer, since SHBG reduces estrogen
levels. Previous reports in the Journal of the National Cancer Institute
have shown that the higher the levels of SHBG in both men and women, the
lower the risk of prostate and breast cancer.
It would be nice to just say, "Take this and it will make you
young!" Perhaps that's the way DHEA has been promoted. But we at
Health Bulletin try to give you a balanced picture since we are not
promoting anything, but just trying to present the facts.
Muscle mass increased in both sexes though more in men. Fat mass
decreased in men but not in women.
In our view it is a mixed picture. The researchers noted that both men
and women had increased IGF-1*** in their bodies as a result of the
treatment. There was no comment about that in this report, but others
have shown IGF-1 to be a growth factor that played a role in their
getting cancer.
DETAILS: Is DHEA good or bad in toto? Unhappy answer is, both. Readers
have to make the choice as to whether to take it or not, knowing risks and
benefits.
*Drs. Morales, Haubrich, Hwang, Asakura and Yen, reported in Clin.
Endocrinol. vol. 49, l998. Journal pub. by Oxford U. Press.
**Serum Hormone Binding Globulin Levels.
***Insulin-like Growth Factor.
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