A basic review of the anatomy, physiology and personal protective equipment related to the respiratory system.

Popular in skincare products, vitamin C supports skin regeneration at the molecular level.

See why the ovary − often reduced to its reproductive role − menopause, age and estrogen affect a woman’s health throughout ...

A massive study reveals that cold sensitivity in your extremities could predict varicose veins years before they become ...

Researchers have developed a blood test that detects Alzheimer's biomarkers at single-molecule levels, enabling earlier, ...

TheBajau tribe of Indonesia is known for their extraordinary ability to dive deep into the ocean for extended periods. Now, ...

Turmeric and ginger are antioxidant powerhouses—but which is stronger? Discover benefits, side effects, and whether you can ...

In cases of brain death, where the heart may still be beating, the patient has lost all vital brain functions, particularly ...

Bleeding can also cause brain death, as it prevents normal circulation of oxygen to the brain and other parts of the body. For a human to function normally, regular blood supply to the brain is ...

The history of the world is far deeper, broader, and stranger than just political backstabbing, epic battles, and dusty ...

Cold hands and feet signal poor blood circulation to extremities.