Your body is constantly sending signals, yet many of us dismiss the subtle warnings that something might be off. Vitamin B12 ...

Long COVID affects an estimated 65 million people worldwide and can damage the brain, heart, blood vessels, and immune system ...

Key Takeaways Strong heart health means your heart and blood vessels, aka your cardiovascular system, are working efficiently ...

The body needs iron to deliver oxygen throughout the body. Iron supplements can help improve many conditions, such as anemia ...

Among its many functions, estrogen helps control a woman’s menstrual cycle, keeps bones strong, and affects energy and mood. When estrogen levels drop, often during perimenopause and menopause, you ...

Low blood pressure is when the force exerted by blood on artery walls is low. There are several types and many possible causes of low blood pressure, including Parkinson's disease, nerve damage from ...

Low blood pressure is dangerous when it drops below 90/60 mm Hg and causes symptoms. Signs of dangerous low blood pressure include feeling lightheaded, fainting, and having a fast or slow heartbeat.

Javascript must be enabled to use this site. Please enable Javascript in your browser and try again. Make a New Year’s resolution to drive safer in 2026. Learn more ...

Researchers in the U.S. have found that exposure to low oxygen levels — known as hypoxia — early in life can cause pulmonary hypertension (PH) by permanently altering lung blood vessel development.

For over a decade, Ruth has written for multiple outlets providing patient education, including Health. She has written for health student education companies, collaborating on an anatomy textbook ...

Oxygen is vital to the body. When levels of oxygen in the blood get too low, serious problems can arise. This can happen as people recover from some disorders that can drive oxygen levels down, such ...

Marine life receives its oxygen from warm water on the ocean's surface, but if there's no mixing with the colder water sitting below, then bottom-dwelling marine life, like lobsters, are unable to ...