Obese men, girls see unusual testosterone levels
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Obese men often experience a sharp  decline in testosterone levels while obese girls show much  higher levels of the sex hormone than girls of normal weight,  according to scientific research released on Monday.
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Boys with autism and related disorders had higher levels of growth hormones than other boys, which may explain why children with the condition often have larger heads, researchers reported on Friday.
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CHICAGOâBeyond the tired clichÃ©s and sperm-and-egg basics taught in grade school science class, researchers are discovering that men and women are even more different than anyone realized.
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A new study suggests a man's weight may affect the accuracy of a common test to detect prostate cancer, leading researchers to warn that doctors could be missing the dangerous cancer in obese men.
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NEW YORK  - Fathers are important influences on their daughters' perceptions of their weight and shape during childhood, and can increase their risk of developing an eating disorder in adolescence, research shows.
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NEW YORK  - Although use of testosterone supplements may increase lean body mass and reduce fat mass in older men, it does not improve functional mobility or mental ability, according to a report in the Journal of the American Medical Association for January 2.
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Muscular young men are likely to have more sex partners than their less-chiselled peers, researchers at the University of California Los Angeles said on Monday.
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Because adolescent girls with anorexia frequently develop hormonal, blood and bone density abnormalities, they require intensive clinical monitoring, according to a new report.
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MONDAY, March 5 (HealthDay News) -- Childhood obesity may lead to earlier onset of puberty for girls, a U.S. study concludes.
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The use of anabolic steroids is becoming common as young men use the drugs to improve body image, experts warn.
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Beyond the tired cliches and sperm-and-egg basics taught in grade school science class, researchers are discovering that men and women are even more different than anyone realised.
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Lavender and tea tree oils found in some shampoos, soaps and lotions can temporarily leave boys with enlarged breasts in rare cases, apparently by disrupting their hormonal balance, a preliminary study suggests.
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Obese men and women suffer more commonly from a host of potentially deadly and debilitating conditions than people with more slender builds, according to researchers at the Fred Hutchinson Cancer Research Center.
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Science & environment: Men are not alone in finding the leggier form more attractive, a study has found
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Two new studies suggest that what&#39;s not happening in the bedroom may be a key factor into why so many of us are gaining weight.
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NEW YORK  - A small study of female-to-male  transsexuals shows that testosterone therapy at "male" dosages  significantly increases bone mineral density.
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Obese men who undergo surgery for prostate cancer are more likely than their non-obese peers to experience a rise in prostate-specific antigen (PSA) levels, a sign that their disease is returning, new research suggests. Moreover, this seems to be true even in cases in which all of the cancer was apparently removed at surgery.