Daytime fatigue? A nap could help
An afternoon rest has its distinct advantages—but watch out for the downsides.
The essence of who you are begins in the brain. Together with the spinal cord and miles of nerves, the central nervous system directs our every thought, sensation and action. Get connected and learn about amazing advances in neurosciences.
A motorcycle crash left Tom Weaver paralyzed from the waist down. That hasn't stopped him from moving on in life—and fighting for greater wheelchair accessibility.