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A new study suggests it doesn't take long for a diet free of animal products to slow biological aging rates, with the heart, liver, and hormonal and inflammatory systems all benefitting from the temporary change. Led by a team from the Stanford University School of Medicine, the study analyzed the rate of DNA methylation; a kind of reversible genetic modification which is often used as an indicator of how quickly the body is wearing out. Among a group of 21 pairs of identical twins, one of each pair adhered to a vegan diet over the course of eight weeks, while...

Research mulls animal worth By JEFF WRIGHT The Register-Guard   Recommend this story to others.   Vegetarians often claim the higher moral ground when it comes to what they eat, and who can argue? By avoiding meat, they're not contributing to the slaughter of millions of animals each year. Or are they? Steven Davis, a longtime professor of animal science at Oregon State University in Corvallis, isn't so sure. Steven Davis, Oregon State University professor of animal science, pays a visit to one of the herds of cattle at the OSU research facility.Photo: CHRIS PIETSCH / The Register-Guard In research that...