An international research team that analyzed several hundred YouTube videos of sleeping cats found that they prefer to sleep ...

"There are two reasons why we board aircraft from the left," a historian and former airline pilot told Newsweek.

Pain can occur on the left side of the body for many different reasons. Learn more about some of the causes and their treatment options here.

Pills taken while reclining on the right side land closest to the lowest part of the stomach, where the pill contents dissolve and are ejected into the intestines for absorption. Pills taken while ...

There are many reasons why your sleep position can impact your health. Here's why people who sleep on their left side are far healthier than those who sleep on the right, according to sleep experts.

The human brain includes two hemispheres connected by a bundle of nerves. The left hemisphere controls movement for the right side of the body, while the right hemisphere directs the left side ...

Mora Leeb places some pieces into a puzzle during a local puzzle tournament. The 15-year-old has grown up without the left side of her brain after it was removed when she was very young.

The splenic flexure is called that because it's near your spleen, but sometimes it's called the left colic flexure because it's on the left side of your body.

Groin pain that occurs on the left side in women is often caused by things like injury, UTI, and kidney stones, but it could be due to another less common condition.

The left and right sides of the body house different internal organs. Learn about the organs on the left side of the body, including the heart, left lung, and colon.