August 27, 2010

When Vitamin a Isn't Good

1 Vitamin A Makes Breastfeeding with HIV More Risky

HIV-positive women who breastfeed should avoid vitamin A and beta-carotene supplements, which may boost excretion of HIV in breast milk, claim researchers from the University of Michigan. If excretion of HIV in breast milk is increased, the chances of transmitting the infection to the infant also increase. HIV transmission from breast milk is a growing problem in developing countries like sub-Saharan Africa where most of the 430,000 new infections in 2008 were from mother-to-child transmission. Epidemiologist Eduardo Villamor of the University of Michigan School of Public Health explains that HIV is transmitted via breast milk because it can carry viral particles that the child ingests. Research findings appear in the American Journal of Clinical Nutrition and the Journal of Nutrition.

More at EureakAlert | Posted 7 years ago by Peggy Rowland

Tags: American Journal of Clinical Nutrition, University of Michigan, Eduardo Villamor, HIV Transmitted by Breast Milk, HIV Transmission from Breast Milk, Mother-to-Child Transmission, Sub-Saharan Africa, New HIV Research, New HIV Infections, Beta-Carotene Supplements, Vitamin a Supplements

Read the Comments (2) | Was this Interesting? Yes! (49%) / No! (51%)

Don't Use Cigs for Happiness

2 Smoking Can Make Teens Feel More Sad

Smoking cigarettes may actually increase depressive symptoms in teenagers, claim scientists from the University of Toronto and the University of Montreal. While some teens may smoke to "self-medicate" against sadness, new research reveals that one long-term effect of smoking for teens is a higher level of depressive symptoms. "Smokers who used cigarettes as mood enhancers had higher risks of elevated depressive symptoms than teens who had never smoked," comments study coauthor Jennifer O'Loughlin of the University of Montreal. Teens who don't use cigarettes as a means to feel better may not experience depressive symptoms as a result of smoking. Study authors stress that the link between smoking and depression exists mainly among teens using cigarettes to enhance mood.

More at EureakAlert | Posted 7 years ago by Peggy Rowland

Previously: Smoking in Movies

Tags: University of Montreal, University of Toronto, Jennifer O'Loughlin, Smoking Effects on Teens, Smoking No Cure for Blues, Smoking Cause Depressive Symptoms, Risk of Depression in Teens, Smoking Cigarettes, Smoking Risk in Teens

Comment on This | Was this Interesting? Yes! (45%) / No! (55%)

Time to Clean the Hen House

3 All Large Egg Farms to Be Inspected

All of the largest egg farms in the U.S., responsible for about 80 percent of the nation's eggs, will be inspected by the FDA by the end of next year, reports MSNBC. Around 600 egg farms will be inspected, with the first inspections expected to take place in September. The inspections mark the first government effort to inspect large eggs farms. MSNBC reports that many of the egg farms have gone without inspections for decades. The FDA will adjust training for their inspectors based on findings from the ongoing investigation of the egg farms responsible for the current salmonella outbreak. Inspectors will check for adherence to employee sanitation standards, egg refrigeration and unsafe bacteria.

More at MSNBC | Posted 7 years ago by Peggy Rowland

Previously: Egg Recall

Tags: Egg Safety, Salmonella Outbreak, Wright County Egg, Egg Rules, First Egg Farm Inspections, FDA Inspecting Large Egg Farms, Egg Refrigeration

Comment on This | Was this Interesting? Yes! (46%) / No! (54%)

Economy Affecting Babymaking

4 U.S. Has Lowest Birthrate in Century

Many people in the U.S. are deciding to forgo having kids to save money, at least for now. New York Times reports that the birthrate in the U.S. is at its lowest in a century. For the second straight year, birthrates have fallen. The blame is placed on the recession, which started in 2007. Experts believe that a decline in immigration may also be partly responsible for the falling birthrate. Last year, the birthrate fell to just 13.5 births for every 1,000 people. In 2007, the birthrate was 14.3, while the birthrate in 1909 was at 30 births for every 1,000 people. There were 4,136,000 births in 2009, compared to 4,247,000 in 2008, and more than 4.3 million in 2007. Birthrates also fell during the Great Depression and the recession of 2001, as well as other economically troubling times.

More at New York Times | Posted 7 years ago by Peggy Rowland

Previously: Emergency Birth Control

Tags: Falling Birthrates, Declining Birthrates, Declining Birth Rate, People Having Fewer Kids, Skipping Having Kids to Save Money, Immigration Affecting Birthrates, Great Recession, Great Depression Birth Rates, Decline in Immigration

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

Bigger Than Originally Thought

5 Surgeons Remove 56 Pound Uterine Tumor

Argentinean surgeons were shocked when they operated on a 343 pound woman at Gandulfo Hospital when the tumor they expected to be the size of an orange turned out to be 56 pounds. The woman, a housewife who prefers to remain anonymous, said she had felt a constant growth in her abdomen for a year and a half, but though she was just gaining weight. The surgery, led by Dr. Oscar Lopez, lasted four hours and involved eight surgeons, about double the time and the staff usually needed. The uterine tumor was found to be a sarcoma which is malignant. Although large, the tumor is not the biggest on record. Medical reports say a 303 pound ovarian cyst was removed in California in 1991 and that several others exceeding 100 pounds have been reported.

More at Yahoo News | Posted 7 years ago by Denise Reynolds

Previously: Glowing Tumors May Help Early Detection

Tags: Uterine Cancer, Uterine Tumor, Uterine Surgery

Comment on This | Was this Interesting? Yes! (50%) / No! (50%)

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