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A lot of exciting things are coming out of all the latest genetic research. I'll try to keep you informed of some of the more interesting findings.
Dry earwax? It's genetic
By Dan Vergano, USA TODAY
Genetics researchers have uncovered the key gene behind the mystery of human earwax. The report in Monday's Nature Genetics journal solves a long-running anthropologist's riddle — why many people in China and Korea, as well as elsewhere in Asia, have dry earwax while the rest of humanity enjoys the sticky variety.
Who has dry gene?
Estimated percentage of population with dry gene
China 100
Japan 69
India 54
American (Native) 30
Pacific Islands 14
Russia 5
American (European descent) 1
Africa 0
Europe (Hungary) 0
American (African descent) 0
China 100
Japan 69
India 54
American (Native) 30
Pacific Islands 14
Russia 5
American (European descent) 1
Africa 0
Europe (Hungary) 0
American (African descent) 0
Source: Nature Genetics
The earwax riddle surprisingly comes down to a single gene, dubbed ABCC11, reports a Japanese team led by Koh-ichiro Yoshiura of Nagasaki University.
The earwax riddle surprisingly comes down to a single gene, dubbed ABCC11, reports a Japanese team led by Koh-ichiro Yoshiura of Nagasaki University.
In December, Shriver and colleagues, led by geneticist Keith Cheng of the Pennsylvania State University College of Medicine in Hershey, identified a gene responsible for much of the difference in human skin color between Europeans and Africans.
Taken with the earwax find, the trend is toward genetic research finding more of the non-disease genes responsible for physical differences in people worldwide.
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http://www.usatoday.com/tech/science/discoveries/2006-01-29-dry-earwax_x.htm?POE=TECISVAWe have all heard that eating eggs can be harmful to your health - "Too much cholesterol," thay say. Well, some experts beg to differ with this opinion. I personally believe that eggs in moderation are just fine - mainly because there's little carbohydrate found in eggs. Check out this next story.
Eggs for breakfast aid weight control
12/29/05
Eating eggs for breakfast can reduce hunger and caloric intake both at lunchtime and over the next 24 hours, according to a new study published in the latest issue of the Journal of the American College of Nutrition.
The study compared the effects on hunger of two calorically-identical breakfasts, one consisting of two scrambled eggs and two slices of toast with low-calorie jelly, and the other a 3 1/2-inch bagel with cream cheese plus a 3-ounce nonfat yogurt.
The researchers found that when participants had eaten the egg breakfast they consumed significantly less, not only at lunch on that day, but also throughout the day and the next morning as compared to the bagel breakfast. On average they ate about 163 fewer calories for lunch, 263 fewer calories that day, and 418 fewer calories over a 24-hour period.
"Eggs are a convenient, affordable and nutritious food," said Dr. Dhurandhar. "They are an integral and established part of breakfast in many cultures and may be eaten safely on a regular basis. Recent data from the Nurses' Health Study showed that egg consumption did not contribute to the risk of coronary heart disease or stroke. Furthermore, eggs have a 50% higher satiety index than other common breakfast foods.
The findings from this study build upon earlier studies showing that protein-based breakfasts improved weight loss better than carbohydrate-focused breakfasts.
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http://www.happynews.com/news/12292005/eggs-for-breakfast-aid-weight-control-.htmAnd finally we hear so many things about caffein - both good and bad. Here's a new twist to the caffein story.
Caffeine may put females in the mood for sex, a new study shows.
In the study, female rats that got their first shot of caffeine before mating were quicker than uncaffeinated females to scurry back to a male rat after sex.
The caffeinated females weren’t just looking for company. “It looks as if they wanted to have sex again,” researcher Fay Guarraci, PhD, tells WebMD.
The caffeinated female rats weren’t exactly shy. “The way we measure their interest is they go back and revisit the male after they’ve just had some sexual interaction with them,” Guarraci explains. The caffeinated females “would go and visit faster, and they would stay with the males until they received sexual stimulation before they left,” Guarraci says.
Using the same formula for humans, the lowest dose would roughly equal the caffeine in “a grande latte at Starbucks ... a pretty high-caffeinated beverage, but not something outrageous,” Guarraci says.
Her study shows that the caffeinated females didn’t just skitter around their cages aimlessly. The caffeinated females seemed motivated to seek sex, not to burn extra energy from the caffeine, the researchers write.
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http://www.foxnews.com/story/0,2933,181639,00.htmlThe above is not meant to be medical advice. Please read the attached Disclaimer, Etc.
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