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Popular weight-loss drugs linked to unexpected male fertility benefit - Fox News

1 oră în urmă
4 minute min
Simona Stan
Video Oncology director shares how GLP-1s can help protect against cancer Dr. Brian Slomovitz, director of gynecologic oncology at Mount Sinai Medical Center in Miami Beach, Florida, says the link between GLP-1 and reduced cancer risk is "not surprising." Taking a GLP-1 medication for weight loss may improve male fertility, according to experts. Research presented this week at ENDO 2026, the Endocrine Society’s annual meeting in Chicago, explored how obesity is strongly linked to fertility problems in men. Excess weight can contribute to dysregulation of the hypothalamic-pituitary-gonadal (HPG) axis — the hormone system that regulates testosterone production — and functional hypogonadism, a condition in which testosterone levels are abnormally low because of disrupted hormone signaling. These changes can also impair semen quality. WEIGHT-LOSS MEDICATIONS COULD IMPACT SEXUAL HEALTH IN UNEXPECTED WAYS The researchers evaluated how GLP-1 weight-loss drugs impact reproductive hormones and metabolic outcomes, analyzing data of men between the ages of 18 and 65 who were taking one of the medications, according to a press release. The systematic review of five randomized controlled trials focused on measuring testosterone, brain hormones involved in testosterone and sperm production, and a protein that carries sex hormones in the blood. Semen quality, weight and BMI, cholesterol and blood sugar were also measured. Men with obesity and low testosterone linked to obesity may experience improved testosterone, sperm quality and metabolic heath while taking a GLP-1, the study found. (iStock) The results suggested that GLP-1 medications do not suppress male hormones. Men with obesity and low testosterone linked to obesity may experience improved testosterone, sperm quality and metabolic health, especially during weight loss. In one four-week study, dulaglutide showed no significant changes in reproductive hormones or sexual function. In a separate 16-week trial, liraglutide improved hormones in obese men with functional hypogonadism, meaning low testosterone was likely related to obesity. The review found that liraglutide was better for health outcomes than hormone replacement therapy. Another liraglutide study reported improved sperm concentration and count. The study authors concluded that GLP-1s "do not appear to acutely suppress the male HPG axis and may improve reproductive hormones and semen parameters in obese hypogonadal men, largely within the context of weight loss." (iStock) A 24-week trial of semaglutide, known commercially as Ozempic and Wegovy, saw improvement in sperm shape and bad cholesterol, while preserving total testosterone. As only five trials were included, the small evidence base suggests more research is necessary to prove further association.
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Man hospitalized for weeks with tick-borne illness. What is Powassan virus? - USA Today

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Women sleep better than men – but experience the opposite - Karolinska Institutet

Women are more likely than men to report poor sleep, even though objective measurements show that their sleep is better in several respects, according to new research from Karolinska Institutet. “It’s a paradox, but we have found a possible explanation for why sleep quality is perceived so differently by men and women,” says Torbjörn Åkerstedt, professor emeritus at the Department of Clinical Neuroscience, Karolinska Institutet.

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