Posts tagged as:

Human

Sleeping Less Hardens Your Arteries

December 24, 2008

Calcified arteries were found in nearly a third of people who slept fewer than five hours a night.
This dropped to around one in 10 for those who slept an extra hour, the Journal of the American Medical Association study of 495 adults found.

[From BBC News]

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Does Sugar Really Make Kids Hyper?

December 18, 2008

A new report by Indiana University medical professor Dr. Aaron Carroll reveals a few interesting facts about commonly heard beliefs.

Take the conventional wisdom about kids and sugar-that it makes them go wild for a couple hours.

The report found no connection between sugar and hyperactivity, and 12 highly scientific studies back that up. One of those studies concluded that “the differences in the children’s behavior were all in the parents’ minds.”

[From CBS News]

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A 2,000 Year Old Brain

Archaeologists have found what they say is the oldest brain ever discovered in Britain, or at least the shriveled remnant of one, in a decapitated skull that dates back more than 2,000 years.
Inside the skull, the scientists found “a yellow substance which scans showed to be shrunken, but brain-shaped,” according to a University of York [...]

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Hair Color and Age

The color of your hair, your age, and even your gender have an impact on how many hairs are on your head. These modifiers even have a say in the denseness, and rate of growth of your hair. For example male hair is more dense than female hair, and females hair grows slower than males. [...]

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The Color of Blood

“In humans and other hemoglobin-using creatures, oxygenated blood is a bright red in color. Deoxygenated blood is a darker shade of red, which can be seen during blood donation and when venous blood samples are taken. However, due to an optical effect caused by the way in which light penetrates through the skin, veins typically [...]

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Polyphasic Sleeping

“Polyphasic sleep is a sleep pattern specification intended to reduce sleep time to 5 hours daily. This is achieved by spreading out sleep into short naps of around 45 minutes throughout the day. This is supposed to allow for more waking hours with relatively high alertness.”
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Anatomy of the Finger

“In anatomy, the thumb is the first finger and the little finger is the fifth finger. Thus the third finger means the middle finger in anatomy, not the ring finger as in daily English.”
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Supercentenarian

From wikipedia.org
“A supercentenarian (sometimes hyphenated as super-centenarian) is someone who has reached the age of 110 years or more, something achieved by only one in a thousand centenarians (0.1%, based on European data). In turn, only about one supercentenarian in forty-four lives to turn 115 (2% of 110-year-olds can expect to survive five more years).”
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