Agus, MD, is the Founding Director and CEO of the Ellison Institute of Technology and a professor of medicine and engineering at the University of Southern California. His latest book is THE BOOK OF ...

Crying is a natural response to a wide variety of emotions, ranging from extreme sadness to extreme happiness. Since the ancient era, crying has been regarded as a natural phenomenon that helps ...

Before young children learn to speak, crying is their only means of vocal communication. But do adults know when a baby is in pain as opposed to being mildly uncomfortable? A new study reported in ...

While it may seem like pets can understand our emotions at times, scientists have found that your pet dog gets stressed out when you cry more than other animals. Dogs—and pet pigs—were discovered to ...

Over the past several decades, there have been many supporting studies of the health-promoting effects of an optimistic personality. Much research has been done on the connection between a high level ...