For the past couple of decades, twins Matt and Mike Beckwith have watched ... It happened in just the first four weeks of eating vegan: "This was a 10-plus year drop in cholesterol," Matt said.

Researchers from Stanford University looked at 22 sets of identical twins, healthy adults averaging 40 years old, as they underwent an eight-week diet experiment. One member of each pair of twins ...

Identical twins Sydney and Chase Brown went from brothers to competitors on Oct. 27, which saw the brothers play against each ...