Turning Gray: Stuck Stem Cells Turn Hair Gray

Summary: A new study sheds light on why we tend to go gray as we age. Researchers found melanocyte stem cells get stuck as we grow older, losing the ability…

A New Peptide May Hold Potential as an Alzheimer’s Treatment

Summary: Researchers say a peptide that blocks the hyperactive version of the CDK5 enzyme reduces neurodegeneration and DNA damage in mouse models of Alzheimer’s disease. Animals treated with the peptide…