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July 19th, 2010
07:11 PM ET

Heterosexual poor at higher risk for AIDS

Two percent of heterosexuals living in poor, urban cities are infected with HIV, the virus that cause AIDS, according to a new report by the Center for Disease Control.

The United Nations considers an overall HIV prevalence of more than 1 percent a "generalized epidemic."

"This analysis points to an urgent need to prioritize HIV prevention efforts in disadvantaged communities, " said Jonathan Mermin, M.D., director of the CDC's Division of HIV/AIDS Prevention, in a statement.

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Filed under: HIV/AIDS • Sex

July 19th, 2010
05:46 PM ET

Micro-needles make vaccine dissolve into skin

A new kind of patch that dissolves into the skin could eliminate the need for syringes and more effectively deliver the immunization, according to a study released this week.

The patch, described in the journal Nature Medicine, contains tiny micro needles that dissolve into the skin.  Unlike syringes, this would eliminate concerns about re-use of needles, safe disposal of sharp objects and would allow for simple self-administration of vaccines. FULL POST


July 19th, 2010
05:43 PM ET

Heat takes toll on NYC triathletes

A 31-year-old man from London, England is in the hospital after collapsing during the Nautica New York City Triathlon.  The athlete, whose name is not being released, collapsed just before the finish line, according to John Koroff, the triathlon's organizer.  He spent the night in the hospital where he was monitored.  He is expected to be released Monday afternoon.

In all,  12 athletes were taken to the hospital during Sunday's race.  Koroff says most of them had heat related illnesses.  (One athlete fell off her bike and hurt her wrist.)  The average temperature during the triathlon was 93 degrees.

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July 19th, 2010
01:38 PM ET

Boy, 10, cuts portions, downsizes himself

At the end of his 31-day challenge to eat healthy, home-cooked foods, Marshall Reid, an iReporter, admitted it wasn’t easy giving up the sweets and junk food.

“At first, it was pretty hard,” said the 10-year-old video blogger.  “You get into a roll of eating healthier.  Once in a while, you can have a little treat to tide through.”

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Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love.

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