It's not exactly a fountain of youth, but a substance found in red wine, grapes and nuts can prevent many age-related problems in mice, an intriguing new study reveals.

The substance, resveratrol, led to healthier hearts, better bone density, fewer cataracts and greater motor coordination in the animals.

The findings, published online Thursday in Cell Metabolism, may increase interest in resveratrol as scientists seek to ward off the inevitable deterioration that comes with growing older. Read more...