Medical research

Study reveals biology of leptin, the hunger hormone

In a new study, Yale researchers offer insight into leptin, a hormone that plays a key role in appetite, overeating, and obesity. Their findings advance knowledge about leptin and weight gain, and also suggest a potential ...

Obstetrics & gynaecology

Why do women gain weight during menopause?

For most women, perimenopause—the transition to menopause—begins in their 40s. The entire menopause process typically lasts around four years and begins with the ovaries making less estrogen.

Obstetrics & gynaecology

Male contraceptive pill found 99% effective in mice

A team of scientists said Wednesday they had developed a male oral contraceptive that was 99 percent effective in mice and didn't cause observable side effects, with the drug expected to enter human trials by the end of this ...

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