Tagged: blood

Are eggs bad for your heart?

The claim: Eggs raise blood cholesterol levels and increase your risk for cardiovascular disease. The facts: It’s no wonder this myth still circulates. Recommendations to limit dietary cholesterol to no more than 300 milligrams a day...

Do spicy foods cause ulcers?

Years ago it was accepted as fact that spicy foods were the culprits behind many peptic ulcers. Doctors’ advice was to avoid curries, salsas, hot peppers, and anything else that “burned,” the theory being that...

How a wound heals itself

Our skin is the largest organ in our bodies, with a surface area of about 2 squaremeter in adults. When we are cut or wounded, our skin begins to repair itself through a complex,...

Casting a bronze axe

Wait for the cut… Tito4re casts an axe out of bronze (88% copper 12% tin) using 3 kg of copper and 400 grams of tin. The weight of this axe is 2,6 kg. This...

How blood pressure works

If you lined up all the blood vessels in your body, they’d be 60 thousand miles long. And every day, they carry the equivalent of over two thousand gallons of blood to the body’s...

The unfixed brain

In this teaching video, Suzanne Stensaas, Ph.D., Professor of Neurobiology and Anatomy at the University of Utah School of Medicine, demonstrates the properties and anatomy of an unfixed brain. This video contains graphic images, a...