Tagged: brain

About the human eye

The human eye, the organ responsible for the sense of sight, is a very complex structure. We use our vision in almost every activity, so the eye is a most important organ. How vision works...

What happens during a stroke?

Every two seconds, someone in the world has a stroke. One out of every six people will have a stroke at some point in their lives. Strokes deprive brain cells of oxygen and are...

How the food you eat affects your brain

When it comes to what you bite, chew and swallow, your choices have a direct and long-lasting effect on the most powerful organ in your body: your brain. So which foods cause you to...

Dissected human nervous system

The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body. Together, these organs are responsible for the control...

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...