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Safer Sex: Study Examines Sexual Communication in Transgender Community

By Guest PostJune 6, 2011Culture, Healthbiological sex, gender identity, hiv prevalence rate, hiv rates, kami kosenko, north carolina state university, safer sex, safer sex for everyone, sex communication, sex practices, sexual history, sexual partner, sexually transmitted diseases, transgender community, unprotected sex

A new study from North Carolina State University shows that talking about safer sex is a complicated process for individuals in the transgender community. The finding may help efforts to promote safer sex practices in a community facing high HIV rates – and also sheds light on broader questions related to safer sex for everyone.

“The main reason for this study is the fact that we’re seeing evidence of devastatingly high HIV prevalence rates in the transgender community,” says Dr. Kami Kosenko, an assistant professor of communication at NC State and lead author of the study. “The HIV prevalence rate is less than 1 percent for the general U.S. population. But for the transgender population, the HIV prevalence rate is estimated to be as high as 60 percent in major metropolitan areas. Although these are only estimates, they are troubling.” (more…)

Sun Safety: Facts about Skin Cancer and Tips on Preventing It

By Guest PostJune 3, 2011Healthbaseball cap, be sun smart, block ultraviolet (uv), broad-brim hat, crawl under a rock, dr. david leffell, good sun protection, head and neck, helen dodson, hide in the basement, kids ball games, melanoma, physicians of yale, prison uniform, radiation from skin, save your life, skin cancer prevention, squamous cell cancer, sun protective eyeglasses, sun-protective cloth, ultraviolet protective factor-rated, use of sunscreen, yale cancer center, yale medical group, yale university

With summer upon us, Yale Medical Group physicians have an urgent warning: Be sun smart. Practicing good sun protection, including the use of sunscreen, could save your life, they say.

“You don’t want to go crawl under a rock or hide in the basement,” says dermatologist Dr. David Leffell, CEO of Yale Medical Group and a member of Yale Cancer Center. “You want to be active and that usually is best done outdoors — simply use moderation and common sense.” (more…)

More Sun Safety: A Young Woman’s Battle Against Melanoma

By Guest PostJune 2, 2011Healthbattle against melanoma, cases of melanoma, skin cancer, skin care, squamous cell cancer, ultraviolet rays

Cases of melanoma, the deadliest form of skin cancer, are rising dramatically, despite the known link to outdoor or indoor exposure to ultraviolet rays. In fact, it is expected that more new cases of skin cancer will be diagnosed this year than breast, prostate, lung and colon cancer combined. (more…)

Non-Ionizing Radiation From Cell Phones May Cause Cancer

By PravdaJune 1, 2011Health, Technologyamerican cancer experts, brij sood, cancerous tumors, carcinogens, cell phones, data on cell phone safety, france, frequency, harrisburg hospital, international agency for research on cancer, lyon, microwav, non ionizing, radiation, radiation oncologist, wireless headset, world health organization, x ray

A branch of the World Health Organization announced Tuesday cell phones are “possible carcinogens” — a statement that was met with skepticism from many American cancer experts.

The statement came from the International Agency for Research on Cancer, which convened 30 international experts in Lyon, France, this past week to sort through data on cell phone safety, reports Lancaster Eagle Gazette. (more…)

Changes in Brain Circuitry Play Role in Moral Sensitivity as People Grow Up

By Guest PostMay 31, 2011Healthbrain circuitry, eye tracking, moral sensitivity, pupil dilation

People’s moral responses to similar situations change as they age, according to a new study at the University of Chicago that combined brain scanning, eye-tracking and behavioral measures to understand how the brain responds to morally laden scenarios. (more…)

Violent Video Games Reduce Brain Response to Violence and Increase Aggressive Behavior, University of Missouri Study Finds

By Guest PostMay 31, 2011Health, Scienceaggressive, behavior, brain response, brains, bruce bartholow, call of duty, christopher engelhardt, grand theft auto, hitman, indicator of desensitization, killzone, Media, popular violent games, scientists, university of missouri, violence, violent video games

*Parental moderation encouraged for children*

COLUMBIA, Mo. – Scientists have known for years that playing violent video games causes players to become more aggressive. The findings of a new University of Missouri (MU) study provide one explanation for why this occurs: the brains of violent video game players become less responsive to violence, and this diminished brain response predicts an increase in aggression.

“Many researchers have believed that becoming desensitized to violence leads to increased human aggression. Until our study, however, this causal association had never been demonstrated experimentally,” said Bruce Bartholow, associate professor of psychology in the MU College of Arts and Science. (more…)

Hips Take Walking in Stride; Ankles Put Best Foot Forward in Run

By Guest PostMay 30, 2011Healthhuman locomotion, mechanics of walking, running motions, running power, running speed, walking motion

In a first-of-its-kind study comparing human walking and running motions – and whether the hips, knees or ankles are the most important power sources for these motions – researchers at North Carolina State University show that the hips generate more of the power when people walk, but the ankles generate more of the power when humans run. Knees provide approximately one-fifth or less of walking or running power. (more…)

Bloodless Worms Yield Insight on Human Blood, Parasites & Iron Deficiency

By Guest PostMay 29, 2011Healthbloodless worm, hemecentric, iron binding protein, iron deficiency, parasitic worm infections, transport of heme, transport process

COLLEGE PARK, Md. — Using a tiny bloodless worm, University of Maryland Associate Professor Iqbal Hamza and his team have discovered a large piece in the puzzle of how humans, and other organisms, safely move iron around in the body. The findings, published in the journal Cell, could lead to new methods for treating age-old scourges – parasitic worm infections, which affect more than a quarter of the world’s population, and iron deficiency, the world’s number one nutritional disorder. (more…)

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