Random Cool Stuff: Your Saliva Can Reveal Your Age!
We know that our DNA holds the fingerprint to our entire physical makeup, but what about our age and the things that have happened to us through the years? Apparently we can even learn some of THAT through our DNA according to new research! According to a study from UCLA: During normal development, DNA in your body gets what’s called methylated. Small chemicals called methyl groups bind to the DNA, helping to determine which genes become active. But the patterns of methylation change as we grow older. Which was a clue that measuring methylation might give away age. The researchers…