UV exposure stalls the system that clears damaged mitochondria. What leaks out next explains the visible changes better than surface damage does. 

With 107,677 centenarians, Japan set a record no country has reached. But the count says less about those years than you'd think.

Urolithin A strengthens the gut barrier by turning inflammatory machinery into repair crew. But whether you get any depends on your microbiome. 

Researchers pinned down how much whole grains actually move the needle. The answer sits above what most guidelines recommend.