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chordz
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What do you guys think of this article? Because I can't tell if it was completly made up just to scare people or what.
HealthHormone supplements risky for men, too: report
May promote growth of prostate cancer: researchers
Tue Jan 15 2008
By Sharon Kirkey
HORMONE supplements, already shown to be harmful to women, may pose an "urgent" health risk to men, some researchers are warning.
Doctors who treated two men who developed unusually aggressive and fatal prostate cancer within months of taking the same over-the-counter supplement for stronger muscles and "enhanced sexual performance" say testosterone supplements may promote the growth of prostate cancer and stop anti-cancer drugs from working.
"Given that testosterone supplements are in high demand, there is significant concern that HHDS (herbal/hormonal dietary supplements) other than the one evaluated in the current study may pose an urgent human health risk," researchers at the University of Texas Southwestern Medical Center report in today's issue of Clinical Cancer Research.
For legal reasons, the researchers won't name the supplement, which was removed from the market, and say they have no direct proof the product caused the highly suspicious prostate cancers.
But a leading Canadian urologist warns that men who take nutritional supplements advertised as having male hormones are "really playing with fire."
"Many men are on androgen replacement therapy or some kind of male hormone replacement and there's always been a concern this may stimulate the growth of prostate cancer cells," says Dr. Laurence Klotz, chief of the division of urology at Toronto's Sunnybrook Health Science Centre.
A separate study, this one the latest to look at the risk of hormone therapy for women, found that taking an estrogen-plus-progesterone combination for as little as three years significantly increases the risk of certain breast cancers.
It was thought only women who use these hormones at least five years have increased breast cancer risk.
The study involved more 1,500 postmenopausal women, age 55 to 74, in western Washington. Researchers at the Fred Hutchinson Cancer Research Center in Seattle found that women who used the combined hormone regimen had a three- to four-fold relative increased risk of lobular cancer, but only if they used the hormones for three or more years.
According to the researchers, 82 per cent of the first 100 sites they found endorsed over-the-counter supplements that guarantee a "fountain of youth", and improvements in stamina, energy, strength and virility.
Two of their patients developed aggressive prostate cancer within months of each other and within a year of starting a supplement they read about in a muscle and fitness magazine and purchased over the Internet.
The product "promised stamina and energy and new muscle mass and rejuvenation and a healthy heart," said lead author Dr. Shahrokh Shariat, a resident in urology at UT Southwestern Medical Center. "It was basically a product like you see many times on TV."
Both men, age 51 and 67, were healthy and in shape. After starting the supplement, they gained 10 to 20 pounds of muscle mass, but then suddenly lost dramatic amounts of weight. "By the time they showed up both had widely metastatic disease," meaning their cancers had spread, Shariat says.
Today, "one is dead and one is in the final stages of his life. "
His team found that the supplement contained testosterone and estradiol, a sex hormone. In lab tests on human prostate cancer cells, it caused the cells to grow rapidly. Increasing doses of the anti-cancer drug biculatimide couldn't stop the cancer cells from proliferating. The team wasn't able to identify which component in the product was causing the cancer cells to grow.
-- Canwest News Service
HealthHormone supplements risky for men, too: report
May promote growth of prostate cancer: researchers
Tue Jan 15 2008
By Sharon Kirkey
HORMONE supplements, already shown to be harmful to women, may pose an "urgent" health risk to men, some researchers are warning.
Doctors who treated two men who developed unusually aggressive and fatal prostate cancer within months of taking the same over-the-counter supplement for stronger muscles and "enhanced sexual performance" say testosterone supplements may promote the growth of prostate cancer and stop anti-cancer drugs from working.
"Given that testosterone supplements are in high demand, there is significant concern that HHDS (herbal/hormonal dietary supplements) other than the one evaluated in the current study may pose an urgent human health risk," researchers at the University of Texas Southwestern Medical Center report in today's issue of Clinical Cancer Research.
For legal reasons, the researchers won't name the supplement, which was removed from the market, and say they have no direct proof the product caused the highly suspicious prostate cancers.
But a leading Canadian urologist warns that men who take nutritional supplements advertised as having male hormones are "really playing with fire."
"Many men are on androgen replacement therapy or some kind of male hormone replacement and there's always been a concern this may stimulate the growth of prostate cancer cells," says Dr. Laurence Klotz, chief of the division of urology at Toronto's Sunnybrook Health Science Centre.
A separate study, this one the latest to look at the risk of hormone therapy for women, found that taking an estrogen-plus-progesterone combination for as little as three years significantly increases the risk of certain breast cancers.
It was thought only women who use these hormones at least five years have increased breast cancer risk.
The study involved more 1,500 postmenopausal women, age 55 to 74, in western Washington. Researchers at the Fred Hutchinson Cancer Research Center in Seattle found that women who used the combined hormone regimen had a three- to four-fold relative increased risk of lobular cancer, but only if they used the hormones for three or more years.
According to the researchers, 82 per cent of the first 100 sites they found endorsed over-the-counter supplements that guarantee a "fountain of youth", and improvements in stamina, energy, strength and virility.
Two of their patients developed aggressive prostate cancer within months of each other and within a year of starting a supplement they read about in a muscle and fitness magazine and purchased over the Internet.
The product "promised stamina and energy and new muscle mass and rejuvenation and a healthy heart," said lead author Dr. Shahrokh Shariat, a resident in urology at UT Southwestern Medical Center. "It was basically a product like you see many times on TV."
Both men, age 51 and 67, were healthy and in shape. After starting the supplement, they gained 10 to 20 pounds of muscle mass, but then suddenly lost dramatic amounts of weight. "By the time they showed up both had widely metastatic disease," meaning their cancers had spread, Shariat says.
Today, "one is dead and one is in the final stages of his life. "
His team found that the supplement contained testosterone and estradiol, a sex hormone. In lab tests on human prostate cancer cells, it caused the cells to grow rapidly. Increasing doses of the anti-cancer drug biculatimide couldn't stop the cancer cells from proliferating. The team wasn't able to identify which component in the product was causing the cancer cells to grow.
-- Canwest News Service
