The brain is divided into two halves, the right and left brain. Specific areas are responsible for different functions, but the brain works as a whole. Your brain is divided into two halves. These two ...

In 2025, several psychology studies aimed at understanding left-handedness were published. Here are the major takeaways from them.

Left atrial enlargement (LAE) is when the left side of the heart enlarges or swells, leading to breathlessness, fatigue, and other symptoms. It often affects people with high blood pressure and heart ...

Brain scans indicate that left-handed people think differently from right-handed people. They tend to activate the right half of their brain more for certain tasks and functions. Experts suggest that ...

Around 10% of the world’s population is made up of left-handed people, a number that is higher than past decades because the stigma around left-handedness has lessened. In the past, many around the ...

About 10% of people in the world are left-handed. Lefties have to endure lots of little daily struggles righties might not think about. Swiping credit cards and cutting with scissors are just two ...

Pain in the left arm without chest pain can result from various issues, including injuries and nerve damage. Symptoms can also include arm throbbing, swelling, or numbness. Depending on the cause, the ...

A left atrial appendage closure is a procedure your doctor may recommend if: you have atrial fibrillation (also known as AF or AFib) or you are not a good candidate for taking blood thinner medication ...

At some point most of us confuse left and right like we’re in a scene from an old Three Stooges one-reeler: “The one in your left hand!” “No, your other left!” Bonk! It seems silly. After all, it’s ...

Age, gender, and body size can affect the size of the left atrium, but several medical conditions can also be responsible. The left atrium is one of the four chambers of the heart. It’s located in the ...