October 3, 2011

Men and Women Affected

1 Rise in Oral Cancers Linked to HPV

The human papillomavirus is linked to the rise in head and neck cancers says a study citing an increase in the number of people engaging in oral sex as a possible reason. Study authors say these cancers will soon surpass incidences of cervical cancer - and will largely affect men. Gardasil and Cervarix, vaccines used to prevent cervical cancer are approved for use in females, ages 9 and 10 to 26 and 25, respectively, but are not recommended for use in preventing HPV cancers in males. Oropharyngeal cancers fall into two categories - those caused by smoking and alcohol and those caused by HPV which now account for about 70% of all oropharyngeal cancers. Gender equity is being achieved with regard to the burden of HPV-caused cancers, say researchers who call for increased screening.

More at CNN.com | Posted 6 years ago by Melody Lesser

Previously: Eight HPV Strains Cause over 90 Percent of Cancers

Tags: Cervical Cancer, Gardasil, Head and Neck Cancer, Human Papillomavirus, Cervarix, Oropharyngeal Cancer

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

More Evidence for Caution

2 Anesthesia, Learning Problems Linked in Kids

General anesthesia may cause a twofold increase in learning disabilities when kids have more than one exposure during surgery prior to age 2, find researchers from the Mayo Clinic. The FDA-funded study was published in Pediatrics. The study found that 37 percent of kids who underwent multiple surgeries with general anesthesia before age 2 had learning problems, compared with 24 percent who had only one surgery, and 21 percent of kids who had no surgeries. While the new research adds to evidence linking repeated exposure to general anesthesia at a young age to increased risk of developing learning problems, the study doesn't prove a link. WebMD reports that lead researcher Randall Flick, MD, said that sick children tend to have more learning disabilities and require more surgeries.

More at WebMD | Posted 6 years ago by Peggy Rowland

Previously: Alcohol Enhances Subconscious Learning

Tags: Anesthesia Awareness, Learning Disabilities, Causes of Learning Problems, Anesthesia Risks, Anesthesia Kids under 2, Anesthesia Dangers, Research Pediatrics

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

Placebo Effect Found

3 Saw Palmetto No Help for Enlarged Prostate

Saw palmetto is a dietary supplement sold as a natural boost to male urinary health, particularly in men with benign prostatic hyperplasia (BPH). However, even at high doses, men taking the plant extract did not report any more improvement in symptoms than those taking a drug-free placebo in a study published in the Journal of the American Medical Association. The trial, conducted by Michael Barry at the Massachusetts General Hospital, randomly assigned 369 men with symptoms of urinary difficulties either a saw palmetto capsule containing up to 960 milligrams per day or a placebo for a year and a half. Men taking the herbal supplement showed a slight improvement in urinary symptom scores, but less than those taking a dummy pill, suggesting a placebo effect.

More at Fox Health News | Posted 6 years ago by Denise Reynolds

Previously: Prostate Enlargement Drugs Increase Prostate Cancer Risk

Tags: Benign Prostatic Hyperplasia, Dietary Supplements, Men's Health, Urinary Incontinence, Saw Palmetto

Comment on This | Was this Interesting? Yes! (49%) / No! (51%)

Required for Infection

4 Enzyme Helps HIV Infect T Cells

A researcher at Georgetown University who previously discovered a protein that cuts the outer layer of T cells to promote HIV infection has discovered an enzyme that does the same thing but in a different way. The enzyme, LIM domain kinase (LIMK) moves like a propeller and is required by the virus to infect T cells. Experiments in which LIMK was activated by a compound led to an increase in the infection of T cells so they hypothesize that decreasing its activity will. T cells that were created in the lab to inhibit LIMK activity were not infected with HIV as easily as cells from a donor. It is hoped that LIMK inhibitors can be developed and believe that drug resistance would not be a major issue in targeting this enzyme.

More at Science Daily | Posted 6 years ago by Kristie Hayes

Previously: Gene Therapy Used to Fight HIV in T-Cells

Tags: HIV, T-Cells, LIM Kinase Domain, LIMK

Comment on This | Was this Interesting? Yes! (56%) / No! (44%)

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