In a study published in the journal Psychological Science, on Thursday (29 / 4), the researchers show that two different series of slides to the participants, in two different days. The first day, the researchers showed a series of slides containing pictures of furniture.

Who’s the second day, the researchers showed two slides randomly. The first slide of pictures of people with smallpox, sneezing, runny nose and other symptoms. Who’s the second slide show of people with firearms.

Before and after each slideshow, researchers took a blood sample of participants. Researchers then add the bacteria into the blood sample to see the response of the immune system.

Results showed that participants who saw slides of the sick have immune system response that is stronger than participants who saw the pictures the man who pointed the gun toward them. A strong immune system response after seeing these sick people, bright researchers from the University of British Columbia, is an evolutionary adaptation.

“Apparently, the immune system to respond more aggressively when you come into contact with something which is likely to make you sick,” explained study author Mark Schaller, quoted by healthday.com site. (MI)

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In the early stage of development, the baby likes to put something into their mouths. In psychoanalytic theory initiated by Sigmund Freud, this stage is called an oral phase.

At this stage generally lasts until the age of 1-2 years, babies get satisfaction through their mouths. Starting from the breast, nipple biting, swallowing food, to chew anything they hold.

Maybe it’s fair if you enter a pen or finger mouths are their own, as long as these objects are clean. Yet not infrequently they insert strange objects, so it is better if you really watched.

The following are 4 kinds of strange objects that attract the attention of the baby brothers to put in their mouths, quoted from Parenting, Monday (19/4/2010).

1. Crayon
In the crayons, the colors are the most exciting things for the baby. Noteworthy is the existing content, make sure that is not toxic. Generally crayons for the children did not contain toxic materials, so if swallowed will probably only give a little ‘color’ on baby’s stools.

2. Paper
You may be annoyed if the chewing is a favorite novel or the latest newspaper headlines have not had time to read it. But do not panic, which swallowed the paper generally does not interfere with digestion. As long as they are not excessive and other dirt contamination, the paper can be considered as additional fiber.

3. Pup (own feces)
“Obviously this is very disgusting, but not too worrying.” said Louis Borgenicht, MD, author of The Baby Owner’s Manual. According to him, would be more dangerous if the droppings are entered into the eye, because it can cause pink-eye (conjunctivitis or redness accompanied by swelling of the membrane
eye).

4. Coin
Coins or loose bolts that could attract the attention of toy babies. Certain metals if not soiled by lubricants may not be poisonous, but very harmful if swallowed up. Immediately contact your doctor to get proper treatment.

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Run barefoot common in some areas in Africa. Almost 50 years ago, Olympic gold medalist Abebe Bikila won his first marathon barefoot. Was in the 1980s, the South African runner Zola Budd into the path barefoot.

Recently, researchers found that people who run barefoot tend to land with the ball (where the union of the toes with the feet) or in bagain feet. In this way, the runners did not shake the bones.

But, those who run with shoes tend to land on the heel. Landing like this will send a painful shock waves throughout the body.

Researchers from Harvard University and Glasgow University to analyze the style of athletes running, both wearing running shoes or bare feet.

Results showed that about 75 percent of runners who land on your heel shoes. This means that runners heels hit the ground 1,000 times per mile. This creates a huge impact pressure and sudden.

Are those who tend barefoot landing with elastic step forward toward the feet. They are leaning more toward the toes and landed with a lighter step.

These findings, bright researchers, helps explain why many runners the world with high endurance running very well with bare feet.

“The man who ran barefoot landing in a different way,” said study leader Dr Daniel Lieberman, professor of evolutionary human biology from Harvard as quoted dailymail site.

Most of the people, the light Lieberman, thinks that running barefoot is dangerous and trigger pain. In fact, you can run barefoot on the surface of the hardest painlessly.

“All you need is a little thickening of the skin. Furthermore, the risk of injury will be less than the running shoes,” explained Lieberman. source media Indonesia

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In this study, advisers from the UK alive on ample projects of all-embracing calibration to analyze mutations that activate 23.000 mark accident chemicals in tobacco smoke.

The advisers activate that abiogenetic accident can ambit from alteration one letter at a person’s abiogenetic cipher to the abolishment or re-drafting hundreds of bags of letters.

According to the researchers, no distinct alteration that stands abandoned in causing disease. Blight development is added afflicted by a aggregate of assorted mutations.

“These allegation will abundantly affect the analysis system,” said abstraction baton Dr Peter Campbell from the Wellcome Trust Sanger Institute, was quoted as adage dailymail site. “By anecdotic all blight genes we can advance fresh drugs to affected the specific gene mutation.”

Mutation and cancer

All cancers, ablaze researchers, due to the errors of the abiogenetic code, the DNA mutations that can be triggered by agents from the environment.

Cancer, which is additionally ablaze Futreal of the Wellcome Trust, will arise back the ascendancy corpuscle behavior can not be controlled. “Cells will abound in a way, time and abode that is not declared to.”

“Just as archaeologists, we can activate to reconstruct the history of cancer, aperture addendum of cigarette smoke acknowledgment in the accomplished and see the accident that accumulated in the genome.”

Researchers achievement these allegation can advice them accept the causes of blight and advance fresh analysis system.

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Elephantiasis, or more commonly known as elephantiasis disease is a disease of blood vessels and lymphatic vessels caused by worms Wuchereria bancrofti and Brugia timori. About 120 million people infected with these organisms in several tropical and subtropical countries, is transmitted by the bite of the Culex mosquito, Aedes and Anopheles are a lot of life around us, much less respond installation of this season. At the time the form and mikrofilia larvae (small worms), this worm is in the blood, but as adults to migrate to the lymph vessels and are often silent on limfanodi (lymph nodes). Worm in the activity of lymphatic vessels, causing a variety of inflammatory reactions and obstruction of lymphatic vessels, the blockage causes fluid accumulation in response to lower body and scrotum (pelir SAC), so that these areas have swollen. Curiously again, when the swollen area on the ultrasound often found dancing worms (filaria dance sign)

Experts analyzing data from the National Survey of Health and Nutrition, the United States in 1997-2004, which involved 1,987 adults ages 20-39. Of all respondents, 6.7 percent suffered from major depression, as much as 2.2 percent have symptoms of panic attacks, and 2.4 percent have symptoms of anxiety. After investigation, the amount of heavy metals in the blood reaches to 1.61 micrograms per deciliter.

Up to 20 percent of respondents who had levels of lead or heavy metals is very high (2.11 micrograms per deciliter) the risk of depression twice as high. They are also five times the risk of panic attacks compared with levels less than timbalnya respondents (0.7 micrograms per deciliter).

“Heavy metal pollution can contribute to the onset of mental disorders, although the level of contamination is still low or no risk,” said Maryse Bouchard F. Monteral researchers at the University and the School of Public Health at Harvard. Experts suspect, heavy metals can cause interference in the brain that cause mental disorders.

Previous studies have warned about the health hazards of heavy metals, including fragile bones, damage to the reproductive glands, cancer, brain damage, and acute toxicity in the central nervous system.

Polluted air also cause acute respiratory disease, hypertension, impaired renal function, decreased intelligence of children, and the risk of miscarriage in pregnant women.

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An estimated one in three Americans have high blood pressure. University had made a study of 83 people who are exposed to similar air pollution to urban air conditions.

“We saw blood vessels and the response before and after breathing dirty air,” said Robert Bard, University of Michigan, research coodinator.

Since the study found, within two hours of air pollution has caused the low amount of blood in the body. Approximately 24 hours after the blood vessels begin to interfere.

The test results also showed small particles in the air cause increased blood pressure and affect blood vessel function.

“If air pollution levels are high, those who have experienced heart problems, diabetes or lung should avoid outdoor activities,” said Brook.