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DHEA
Information
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Dehydroepiandrosterone (pronounced dee-hi-dro-epp-ee-ann-dro-stehr-own),
or DHEA as it is more often called, is a steroid hormone naturally
produced in the adrenal gland. |
It is the most abundant steroid in the
bloodstream and is present at even higher levels in brain tissue. DHEA
levels are known to fall precipitously with age, falling 90% from age 20
to age 90.
DHEA is known to be a precursor
to the numerous steroid sex hormones (including estrogen and testosterone)
which serve well-known functions. Although the specific mechanisms of action
for DHEA are only partially understood, supplemental use of CELLFOOD®
DHEA has been shown to have anti-aging, anti-obesity and anti-cancer
influences. In addition, it is known to stabilize nerve-cell growth and
is being tested in Alzheimer’s patients.
DHEA and Cancer
Early reports from England [Bulbrook,
1962, 1971] suggested that DHEA was abnormally low in women who
developed breast cancer, even as much as nine years prior to the onset
or diagnosis of the disease. Of the 5000 women followed in the study, 27
developed cancer. Most of the 27 had abnormally low levels of DHEA.
Many years later, Dr. Arthur Schwartz of Temple University found that supplemental
DHEA
significantly protected cell cultures from the toxicity of carcinogens.
Cell cultures usually respond to powerful carcinogens with mutations (changes
in DNA), transformations (changes in cell appearance), and a high rate
of cell death. But when Schwartz added DHEA along with the carcinogen,
all three of these effects were significantly diminished.
DHEA and Glucose Metabolism
Investigators have shown that DHEA
inhibits glucose-6-phosphate dehydrogenase (G6PDH), an enzyme that breaks
down glucose. There are two glucose-metabolizing pathways in the body,
the catabolic, energy-yielding pathway and the anabolic, biosynthetic pathway.
G6PDH happens to be the first enzyme in the biosynthetic pathway, the one
which results in the synthesis of fatty acids and ribose (the sugar used
in making deoxyribonucleic acid, or DNA). In simple language, G6PDH turns
glucose into fat.
DHEA and Aging
The body’s production of DHEA drops
from about 30 mg at age 20 to less than 6 mg per day at age 80. According
to Dr. William Regelson of the Medical College of Virginia, DHEA
is “one of the best biochemical bio-markers for chronologic age.” In some
people, DHEA levels decline 95% during their lifetime — the largest
decline of an important biochemical yet documented.
DHEA levels are directly related
to mortality (the probability of dying) in humans. In a 12-year study of
over 240 men aged 50 to 79 years, researchers found that DHEA levels
were inversely correlated with mortality, both from heart disease and from
all causes. This finding suggests that DHEA level measurements can
become a standard diagnostic predictor of disease, mortality and lifespan.
Furthermore, if animal results hold true, supplemental DHEA may
prevent disease, reduce mortality, and extend lifespan in humans.
DHEA: The Buffering Steroid?
DHEA may be unique among hormones
for it’s lack of specificity for hormone receptor sites. Just as vitamin
E has never been shown to have a specific metabolic role (it is only proven
essential as a general antioxidant), DHEA may serve an equally general
purpose. “DHEA is the first example of a buffer action for hormones
that I know of,” states William Regelson. “It is a broad-acting hormone
that only demonstrates itself under a specific set of circumstances. In
that way, it is like a buffer against sudden changes in acidity or alkalinity.
That is why when you get older, you’re much more vulnerable to the effects
of stress. As DHEA declines with age, you are losing the buffer
against the stress-related hormones. It is the buffer action that [helps
prevent] us from aging.” The decrease of DHEA with age may result
in gradual decline of a system for suppressing enzyme systems responsible
for creating the building blocks of new cells, like lipids, nucleic acids
(RNA and DNA) and sex steroids. The resulting rise in enzymatic activity
in advanced age may be responsible for the proliferative events (cancer)
and degenerative disease that become more frequent in advanced age. In
this respect, DHEA might be best considered to be an anti-hormone,
which might “de-excite” steroid-sensitive receptors that would otherwise
lead to enhanced metabolic activity.
SIZE: 1 oz. concentrate bottle
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COST: $39.95
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