May 14, 2010

Contamination Poses No Risk

1 FDA: Rotavirus Vaccines Safe After All

After advising physicians in March to cease the use of the infant rotovirus vaccines Rotarix and RotaTeq because of trace amounts of porcine circovirus 1 and 2, the FDA now recommends their use. Neither PCV1 nor PCV2 pose a safety risk in humans, the FDA admits, and the industry-friendly American Council on Science and Health had observed that PCV1 "does not even cause sickness in pigs." Rotovirus is the most common cause of severe diarrhea in infants. The CDC says that the vaccines have prevented 50,000 infant hospitalizations annually each year. In the revised recommendation the FDA noted the good safety records of the vaccines and the lack of human risk from the porcine virus. Summarizing, the FDA said that the "benefits outweigh the risk, which is theoretical."

More at FDA | Posted 7 years ago by Mark

Tags: Diarrhea, FDA, Vaccines, Rotavirus, Rotarix, RotaTeq, American Council on Science and Health, ACSH, PCV1, PCV2, Porcine Circovirus

Read the Comments (1) | Was this Interesting? Yes! (48%) / No! (52%)

CD4+ Cell Counts Decline

2 Alcohol Speeds HIV Disease Progression

Drinking two or more alcoholic beverages a day could make HIV progress at a faster rate. A new study showed that frequent use of alcohol is associated with declining CD4+ cell counts in people with HIV disease, even if they're receiving antiretroviral therapy. A decline in CD4+ cells indicates a weakened immune system. The new article sharing study findings, "Alcohol Use Accelerates HIV Disease Progression," is published in AIDS Research and Human Retroviruses. Researchers believe that alcohol consumption has a direct effect on CD4+ cells. Plus, they think that the accelerated decline in the CD4+ cell counts of frequent alcohol users isn't simply due to poorer adherence to antiretroviral therapy.

More at EureakAlert | Posted 7 years ago by Peggy Rowland

Tags: HIV, Alcohol Effect on HIV, Antiretroviral Therapy, CD4+ Cells, AIDS Research and Human Retroviruses, Frequent Alcohol Users, HIV Research, Weakened Immune System

Read the Comments (3) | Was this Interesting? Yes! (47%) / No! (53%)

Especially for Women

3 Access to Internet Brings Happiness

Surfing the web may not be all that bad after all. A new report from British researchers has found that access to the internet may lead people to feel better about their lives. The study used data from the “World Values Survey” which included responses from 35,000 people all over the world. Age did not appear to be a factor in the findings, but gender did. Women were more likely to report feelings of well-being when “connected”. Researchers hypothesized that this is likely due to women being at the center of the family’s social network. Study author Michael Willmott says “Our analysis suggests that IT has an enabling and empowering role in people’s lives, by increasing their sense of freedom and control, which has a positive impact on well-being or happiness.”

More at TIME Magazine | Posted 7 years ago by Denise Reynolds

Previously: Net Surfing May Be Detrimental to Your Health

Tags: Happiness, Internet Surfing, Women, Well-Being

Comment on This | Was this Interesting? Yes! (48%) / No! (52%)

Got Milk?

4 Calcium Essential for Lifelong Bone Health

Not getting enough calcium in the earliest days of life could have a profound, lifelong impact on bone health, according to new research from North Carolina State University. In the study, pigs were used as a model for human health because they are similar to humans in their bone growth and nutrition needs. During an 18-day-trial, the researchers documented lower levels of bone density in the group of piglets that were fed a calcium-deficient diet. In addition, the pigs that received less calcium also had changes to certain stem cells in the bone marrow that appears to play a significant role in obesity. Because of a mechanism involving cell replication, a calcium deficiency in infancy predisposed the pigs to form more fat cells and retain less of the mineral for building bone.

More at Red Orbit | Posted 7 years ago by Denise Reynolds

Previously: Calcium Supplements May Lower Breast Cancer Risk, Vitamin D Reduces Heart Risk

Tags: Bone Health, Calcium, Children, Obesity, Infants

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

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