July 26, 2012

Risky Sex Down Since 1991

1 U.S. Teens Running Fewer AIDS Risks Now

Over the past 20 years, U.S. high school students have significantly reduced their participation in sexual activities that put them at risk for HIV infection. Overall from 1991 to 2011, those reporting having ever had sex fell from 54 percent to 47 percent, those who had sex in the past three months from 38 percent to 34 percent, and those with four or more partners from 19 percent to 15 percent, while the percentage who used a condom the last time they had sex rose from 46 to 60. The increase in safer behavior was even greater for African American students, whose rate of condom use is now above average, while there has been little overall improvement among Hispanics. On the downside, people under 30 still account for 40 percent of new HIV cases, with 19,000 of them infected each year.

More at Usatoday.com | Posted 5 years ago by Robert S. Wieder

Tags: AIDS, Teen Sex and AIDS, Risky Sex by Teens, Teen Sex Statistics, High School Students Having Sex

Comment on This | Was this Interesting? Yes! (36%) / No! (64%)

Are You in the 48 Percent?

2 Nearly Half of Americans Drink Soda Daily

Almost half of Americans drink at last one soda each day, finds a new Gallup poll. The 48 percent of Americans with a daily soda habit consume an average of 2.6 glasses each day, but the poll didn't measure whether participants drank diet or regular soda. The rate of soda consumption was higher for young adults ages 18 to 34 with 56 percent reporting having at least one glass of soda daily. For people ages 35 to 54, that number fell to 46 percent. The Gallup poll didn't find a difference between the self-reported weight of soda drinkers who have two or more glasses daily compared with those who don't consume soda. This is the first Gallup poll to measure daily soda habits of Americans.

More at MSNBC | Posted 5 years ago by Peggy Rowland

Previously: NYC Mayor Seeks Ban on Supersized Soda

Tags: Daily Soda Habit, Soda Ban, How Many Americans Drink Soda, Soda Habits, Daily Soda Consumption, Gallup Poll Soda

Comment on This | Was this Interesting? Yes! (47%) / No! (53%)

Big Workout, Big Food

3 Why Some Olympians Eat High Calorie Foods

The high-calorie foods often consumed by some Olympic athletes who work out for five hours daily may show that when humans are in near constant motion, they can consume almost anything and maintain or even lose weight. New York Times reports that it's not so uncommon for Olympians to eat high-calorie foods, such as a pint of ice cream, an entire cheese pizza or a dozen eggs. During workouts, Olympic athletes may burn around 4,000 to 6,000 calories, which need to be replenished, explained Dr. Michael Joyner, a Mayo Clinic researcher. Dr. Joyner said "You can only eat so much oatmeal and tofu." New York Times says eating habits of Olympians serve to remind that despite the concept of one particular diet plan being better, a body that moves a lot can eat nearly anything and still lose weight.

More at New York Times | Posted 5 years ago by Peggy Rowland

Previously: Olympic Stars Pimp Junk Food

Tags: Junk Food Diet, Mayo Clinic, Athletes Eat Junk Food, Olympians Eat Food High Calories

Read the Comments (1) | Was this Interesting? Yes! (46%) / No! (54%)

Swimmers May Eat 8,000 Calories

4 How Many Calories Olympic Athletes May Need

Olympic athletes consume many more calories than the rest of us, with the highest numbers being consumed by endurance athletes like swimmers. NPR reports that the calories consumed per day by Olympic athletes vary according to sport, but the requirements also change for male and female athletes. In general, Olympic athletes competing in endurance sports like rowing, cycling, swimming and marathon, practice pre-event nutrition consisting of carbohydrate loading. Such athletes may consume between 3,000 and 8,000 calories daily. For team sports like soccer, athletes take in extra carbs, but don't practice loading. Team athletes may consume around 3,000 to 4,500 calories per day. Athletes who tend to consume the least amount of calories include those who compete in wrestling and fencing.

More at NPR | Posted 5 years ago by Peggy Rowland

Tags: How Many Calories Olympic Athletes Eat, Calories Needed for Weight Lifting, Calories Burned Basketball, Calories Burned Swimming, Calories Used Team Sports

Comment on This | Was this Interesting? Yes! (42%) / No! (58%)

Insulin Thought to Play a Role

5 High Carbs Linked to Aggressive Breast Cancer

A study involving approximately 335,000 European women has found a possible link between consuming high amount of carbohydrates with developing estrogen-receptor (ER) negative breast cancer, a less common but more aggressive and deadly form of the disease. Eating food loaded with starchy and sweet carbohydrates causes a rapid spike in blood glucose levels which results in high amounts of insulin being released to lower them. Previous research has shown that elevated insulin levels are directly linked to some cancers because it may promote tumor growth. ER-negative breast cancers grow fast and do not respond to hormone-based therapies because there is no estrogen receptor. These results will likely lead researchers to determine if insulin pathways play a role in this type of cancer.

More at Yahoo! Reuters | Posted 5 years ago by Kristie Hayes

Previously: High Glycemic Diet Not a Risk for Colon Cancer

Tags: Breast Cancer, Carbohydrates, Glucose, Insulin, Estrogen-Receptor Negative Breast Cancer, High Carb Diet, Sugary Foods, Starchy Foods

Read the Comments (1) | Was this Interesting? Yes! (47%) / No! (53%)

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