Tagged: brain

How aspirin was discovered

4000 years ago, the ancient Sumerians made a surprising discovery: if they scraped the bark off a particular kind of tree and ate it, their pain disappeared. Little did they know that what they’d...

13 ways to cut cancer risk

Avoid Tobacco Cigarette smoking causes lung cancer, as well as cancers of the esophagus, larynx, mouth, throat, kidney, bladder, pancreas, stomach and cervix. Other tobacco products also increase cancer risk. Smoking is the leading...

8 questions about peripheral neuropathy

All of us have had that sensation of numbness or “pins and needles” in our arms and legs at some point—perhaps after sitting the wrong way or sleeping in a funny position, causing the...

Why do we dream?

In the 3rd millennium BCE, Mesopotamian kings recorded and interpreted their dreams on wax tablets. In the years since, we haven’t paused in our quest to understand why we dream. And while we still...

Researchers uncover drain pipes in our brains

By scanning the brains of healthy volunteers, researchers at the National Institutes of Health saw the first, long-sought evidence that our brains may drain some waste out through lymphatic vessels, the body’s sewer system....

The girl who doctors can’t diagnose

Nine year-old Katie Renfroe suffers with a condition so rare that it doesn’t even have a name. Katie was diagnosed with megalencephaly at birth, a growth development disorder characterised by the overgrowth of the...

The neuroscience of tripping

In a series of experiments, scientists have gained a glimpse into how the psychedelic compound affects brain activity. The team administered LSD (Lysergic acid diethylamide) to 20 healthy volunteers in a specialist research centre...

How is brain surgery performed?

Dr. Greg Foltz of the Swedish Neuroscience Institute describes the routine and frequency of brain surgery. Computer brain mapping produces a three-dimensional image of a patient’s brain. Once inside, physical mapping occurs. A precise...