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 ...

Psychology & Psychiatry

Pilot study shows ketogenic diet improves severe mental illness

For people living with serious mental illnesses like schizophrenia or bipolar disorder, standard treatment with antipsychotic medications can be a double-edged sword. While these drugs help regulate brain chemistry, they ...

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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