Gerontology & Geriatrics

Ceramides found to be key in aging muscle health

During aging, mice, like humans, become inactive and lose muscle mass and strength. A team of scientists led by Johan Auwerx at EPFL have now discovered that when mice age, their muscles become packed with ceramides. Ceramides, ...

Health

Artificial sweeteners may not be safe sugar alternatives: study

Artificial sweeteners reduce added sugar content and corresponding calories while maintaining sweetness. A study publishing March 24th in PLOS Medicine by Charlotte Debras and Mathilde Touvier at the French National Institute ...

Health

Boys reach sexual maturity younger and younger

(Medical Xpress) -- Boys are maturing physically earlier than ever before. The age of sexual maturity has been decreasing by about 2.5 months each decade at least since the middle of the 18th century. Joshua Goldstein, director ...

Genetics

Scientists discover new antibiotic resistance gene

While sifting through the bacterial genome of salmonella, Cornell food scientists discovered mcr-9, a new, stealthy jumping gene so diabolical and robust that it resists one of the world's few last-resort antibiotics.

Medical research

New male contraceptive does not involve hormones

A team of researchers at a company called Contraline has developed a new kind of male contraceptive. Instead of using hormones to disrupt sperm production, the new technique involves placing a hydrogel called ADAM into the ...

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