What A Ball of Wool Can Tell You About Healthy Aging [Video] - Scientific American (blog)

Scientific American (blog)

What A Ball of Wool Can Tell You About Healthy Aging [Video] Scientific American (blog) But what are the objective measures that indicate how healthy a person is? For that matter, what sort of test can you do to reliably indicate that someone is a healthy 60-year old, 70-year old or 90-year old—other than listing all the diseases that ...