Most people know that stressful relationships can ruin a day or make life feel more difficult. Arguments with family members, ...

A parasite called Toxoplasma gondii infects an enormous number of people around the world. Scientists estimate that up to one ...

Many people believe they are good at multitasking. Modern life often requires people to switch between several activities, such as answering messages while working, listening to music while studying, ...

Scientists at Stanford University have discovered a new way to use some of the oldest known semiconductor materials to improve infrared technology. Their work could lead to smaller, cheaper, and more ...

Some babies are born with serious heart problems that require surgery very early in life. One of the most complex conditions is called single‑ventricle heart disease. In a healthy heart, there are two ...

Endometriosis is a painful condition that affects millions of people around the world. It occurs when tissue similar to the lining of the uterus grows in places outside the uterus. These growths can ...

Exercise is widely known to improve strength, endurance, and overall health. Many people also know that regular physical activity helps muscles use energy more efficiently. However, scientists are ...

Many people are surprised to learn that blood pressure does not stay the same throughout the day. Instead, it follows a natural daily rhythm controlled by the body’s internal clock. One of the most ...

Knee pain is one of the most common health problems among older adults. As people age, the joints in the body gradually wear down. The knee joint, which carries much of the body’s weight and helps ...

Our brains normally help us stay aware of where we are, what is happening around us, and who we are talking to. However, in some medical situations people suddenly become confused, disoriented, and ...

Alzheimer’s disease is widely known for its most visible symptoms, such as memory loss, confusion, and difficulty thinking clearly. These changes often appear slowly and become worse over time.

For hundreds of years, a group of remarkable women has lived and worked along the rocky coast of Jeju Island in South Korea. These women are known as the Haenyeo, which means “sea women.” They are ...