What are the often invisible cognitive consequences of multiple sclerosis? Maureen van Dam mapped these out during her doctoral research. "People usually notice the physical symptoms, but the ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo: Getty Images) You know when you feel sick, but it’s not always evident to the people around you? While for some that can ...

We humans long have judged each other by first impressions: Tunic lengths in ancient Greece once symbolized maturity, and white wigs were a status symbol in colonial America. Today, this is truer than ...