Right upper quadrant pain can be caused by various conditions, including gallstones, kidney stones, and hepatitis. Your abdomen is divided into four quarters or quadrants. Imagine a vertical line that ...

Pain in the right shoulder and arm can occur due to injury, wear and tear, and other health conditions. You may experience other symptoms with certain causes. Shoulder pain is very common. Because ...

Roughly 90% of humans are right-handed and this is one of the traits that separates us from most other primates who don’t really show any overall preference for left or right handedness. It’s believed ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Why do 90% of humans reach with the same hand? The answer ...

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. The ...

During embryonic development, the right ventricle is formed from the secondary heart field into a crescent-shaped, thin-walled structure. 6 It is the most anterior heart chamber, sitting just beneath ...