Heart and circulation news, features and articles
Latest about Heart & Circulation

Man dies from caffeine overdose after drinking equivalent of 200 cups of coffee
By Rachael Rettner last updated
Caffeine powders can be dangerous because they are much more potent than typical caffeine-containing beverages.

Veins and arteries: Facts about our blood vessels
By James Horton published
Reference Veins, arteries and capillaries make up a sophisticated circuit of blood vessels. This provides oxygen, removes waste, and maintains pressure so that our bodies can operate ceaselessly.

A woman would faint whenever she tried to stand. New implant lets her walk.
By Nicoletta Lanese published
The patient has a condition called multiple system atrophy.

Why do we have different blood types?
By Tyler Santora published
The disease malaria appears to have influenced blood type prevalence.

Insulin resistance: Risk factor for heart disease and diabetes
By Tia Ghose, Natalie Grover published
Reference Insulin resistance is a condition where the body's cells don't properly respond to the hormone insulin, which tells cells to take in blood sugar and use it for fuel.

Man's energy drink habit lands him in the hospital with heart failure
By Rachael Rettner published
The findings add to a growing body of evidence linking energy drink consumption with heart problems.

'Magic mushrooms' grow in man's blood after injection with shroom tea
By Nicoletta Lanese published
The man spent 22 days in the hospital with a severe infection.

Man's 'heart attack' was really side effect from swallowed battery
By Ashley P. Taylor published
Whether or not it affects the heart, eating batteries is dangerous.
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