It starts innocently enough—you pick up your phone to check one message, and ten minutes later, you’re watching a cat dance ...

Discover the alarming effects of severe sleep deprivation as Japan's Prime Minister shares her own sleepless nights. Learn how lack of sleep impacts your body and brain, and what you can do to ensure ...

Long-term or chronic fatigue often lasts more than a month and doesn’t improve with rest. It may be accompanied by other ...

Optical illusions are a quick test of your observation powers. If you are good at scanning and spotting hidden details in a ...

You find yourself at an unexpected loss for words, struggling to describe or provide information you know well, only to have ...

The brain is a complex organ that regulates everything you do. It sends and receives chemical and electrical signals through the body that control and coordinate thought, memory, emotion, ...