Millions of people take metformin, a Type 2 diabetes medication that lowers blood sugar. The "wonder drug" has also been shown to slow cancer growth, improve COVID outcomes and reduce inflammation.

The common diabetes drug metformin works partly by excreting sugar from the bloodstream into the intestines, where gut bacteria then convert it into chemicals that improve the insulin response.

However, people using metformin for its FDA-approved use may lose weight as a side effect. The exact mechanism of why weight loss may occur is unclear. Unlike other diabetes medications ...

A team of scientists has found new clues that could change how we think about aging. Their work suggests that aging might not ...