Ø      Banging your head against a wall uses 150 calories an hour.  

        --> "Oh, really? So, how many calories am I burning by doing this?"

Ø      Before there was any real anesthesia, surgery was as painful as deliberate torture.

Ø      About 25% to 33% of the population sneezes when they are exposed to light.

Ø      Blood is such a good stain that Native Americans used it for paint.

Ø      Blue eyes are the most sensitive to light, dark brown the least sensitive.

Ø      Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.

Ø      By age sixty, most people have lost half of their taste buds.

Ø      By raising your legs slowly and lying on your back, you can't sink in quicksand.

Ø      By the age of 60, the human eye has absorbed the same amount of light produced in an atomic blast.

Ø      Corpses don't decompose as fast as they used to because of all of the chemicals and additives we eat now.

Ø      Devoid of its cells and proteins, human blood has the same general makeup as seawater.

Ø      Every human has spent about half an hour as a single cell.

Ø      Forty percent of the American population has never visited a dentist.

Ø      From the age of thirty, humans gradually begin to shrink in size.

Ø      Half of all people who have ever smoked have now quit.

Ø      If you are locked in a completely sealed room, you will die of carbon dioxide poisoning before you die of oxygen deprivation.

Ø      If you go blind in one eye you only lose about one fifth of your vision, but all your sense of depth.

Ø      If you went out into space, you would explode before you suffocated because there's no air pressure.

Ø      In a lifetime, we replace our skin approximately 1000 times.

Ø      It's impossible to sneeze with your eyes open.

Ø      Just a moderate sunburn can cause such damage to the blood vessels that it takes three to ten months for them to return to their normal condition.

Ø      Laughter is a proven way to lose weight.

Ø      Melting an ice cube in your mouth burns 3 calories.

Ø      Men get hiccups more often than women.

Ø      Most humans can guess someone's sex with 95 percent accuracy just by smelling their breath.

Ø      One zit is a pimple. A bunch of zits is acne.

Ø      Only 7% of the population is lefties.

Ø      Only one person in two billion will live to be 116 or older.

Ø      Our eyes never grow, while our nose and ears never stop growing.

Ø      Out of all the senses, smell is most closely linked to memory.

Ø      Pain travels through the body at 350 feet per second.

Ø      Parasites count for 0.01% of your body weight.

Ø      People can hear better with their right ear.

Ø      People who are left-handed are also left-footed having the tendency to put their left foot forward instead of their right.

Ø      People who live or work in cities inhale enough toxins that it equals smoking a pack of cigarettes a day.

Ø      People who work at night tend to weigh more than people who don't.

Ø      Proportional to their weight, men are stronger than horses.

Ø      Right-handed people live, on average, nine years longer than left-handed people do.

Ø      Seventy percent of the dust in your home consists of shed human skin.

Ø      Skin is the largest organ of the human body.

Ø      Skin temperature does not go above 95F even on the hottest of days.