Imagine a drone that can stay in the air for hours without needing to land for a battery change. That idea may be one step closer to reality thanks to a new technology that uses laser beams to ...

Black holes are famous for pulling in everything that gets too close, including gas, dust, and even light. But new research shows they can also blast enormous amounts of energy back into space.

An irregular heartbeat, also called an arrhythmia, happens when the heart beats too quickly, too slowly, or with an unusual rhythm. Many people notice a flutter, a skipped beat, or a racing heartbeat ...

Heart medicines have transformed the treatment of heart disease, high blood pressure, heart failure and abnormal heart rhythms. Millions of people take these medicines every day and most benefit ...

Most people know that high blood pressure can increase the risk of heart attack and stroke. However, scientists are now discovering that blood pressure may also be connected to the way people think ...

For many people with knee osteoarthritis, everyday activities such as climbing stairs, standing from a chair or walking around the shops become painful. As the condition progresses, chronic pain can ...

Most people have heard about the importance of vitamins and minerals, but far fewer know about choline. Even though it is not discussed as often, choline is an essential nutrient that helps many parts ...

Stroke remains one of the leading causes of disability worldwide because brain cells begin to die within minutes after their blood supply is blocked. Even when doctors successfully remove the clot, ...

High blood pressure, also called hypertension, affects millions of people around the world. It often develops without clear symptoms, but over time it can damage the heart, brain, kidneys, and blood ...

Millions of people around the world are living with type 2 diabetes without knowing it. Because the disease often develops slowly, many people do not visit a doctor until complications appear.

Diastolic blood pressure is the lower number in a blood pressure reading. It measures the pressure inside your arteries when your heart relaxes between beats. Although people often focus on the top ...

A stroke happens when blood flow to part of the brain is suddenly blocked or when a blood vessel in the brain bursts. Without enough oxygen and nutrients, brain cells begin to die within minutes.