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August 3rd, 2010
06:24 PM ET

More cases of dengue fever popping up in Florida

The Florida Department of Health is confirming an increase in the number of cases of dengue fever acquired in the Key West area. 

New statistics from the department said 24 cases of dengue fever have been reported in Key West through mid-July. Of those, 18 involve Key West residents, five are residents of other Florida counties and one case involves a resident of another state.

In addition, 49 so-called "imported" cases of dengue fever are reported in Florida. Those cases involved people who had traveled to areas under a dengue endemic, such as the Caribbean or Central and South America.

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August 3rd, 2010
06:14 PM ET

Change your thinking to kick that cigarette habit

Imagine how tantalizing, how powerful the craving for a cigarette is. Then imagine you could stem that craving by merely changing the way you think. A new study published in the Proceedings of the National Academy of Sciences suggests that merely thinking differently could help control cravings.

"Most people think that the reason smokers use substances is because of a lack of self-control," said Kevin Ochsner, associate professor of psychology at Columbia University. "We show they don't lack it, the problem they have is they may not know what strategy to use."

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Filed under: Addiction • Brain • Psychology • Smoking

August 3rd, 2010
04:19 PM ET

Study: Early high cholesterol can signal trouble

Elevated cholesterol – particularly LDL, or bad cholesterol – early in life can signal danger later in life, according to a new study.

The study followed more than 3,000 people for 20 years, checking cholesterol levels along the way. At the conclusion of the study, researchers checked partcipants' coronary calcium score – a measure of cardiac risk.

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August 3rd, 2010
04:11 PM ET

Call your sister - Siblings counter depression

Do you have a sister who helps you through your problems?

If so, you may relate to new research showing that siblings, and especially sisters, improve mental health among adolescents.

A study led by Laura Padilla-Walker, professor at Brigham Young University, found that sisters are more protective against depression than brothers. It's not that brothers increase depression - but their presence doesn't seem to protect against depression as much, according to the results of the study.

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August 3rd, 2010
01:26 PM ET

Is it too hot for your good health?

With triple digit temperatures expected Tuesday in 16 states, and the heat index possibly reaching 118 degrees in some areas, it’s crucial to know the signs of heat stroke.

Heat stroke – and the less deadly but still serious heat cramps and exhaustion – strike when sweating, the body’s usual method of compensating for the heat, just isn’t enough to cool the body down.

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August 3rd, 2010
12:59 PM ET

Could type 2 diabetes damage a young brain?

Children diagnosed with type 2 diabetes already are huffing and puffing on the playground - a new study indicates they may also be stressing and straining in the classroom.  Obese children diagnosed with type 2 diabetes performed worse on cognitive tests (tests that measure thinking ability) compared to obese children who did not have type 2 diabetes, according to a new study in the journal Diabetologia.

"Everyone talks about losing toes or problems with kidneys after having diabetes for 20 years, but no one is thinking about the brain as a site of complications," said Dr. Antonio Convit, professor of psychiatry and medicine at NYU Langone Medical Center and a member of the Nathan Kline Institute. "This is the first concrete evidence that the brain suffers complications of type 2 diabetes as early as during adolescence."

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About this blog

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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