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5 studies you may have missed
LeBron James is one of the athletes with the most unhealthy food and beverage endorsements, a new study found.
October 11th, 2013
12:58 PM ET

5 studies you may have missed

Here's a roundup of five medical studies published recently that might give you new insights into your health, mind and body. Remember, correlation is not causation – so if a study finds a connection between two things, it doesn't mean that one causes the other.

Athlete endorsements may be detrimental to kids' health
Journal: Pediatrics

Could sports superstars be encouraging bad eating habits in children? A new study takes a hard look at the products that professional athletes endorse, and the news isn't good.

"Seventy-nine percent of the 62 food products in athlete-endorsed advertisements were energy-dense and nutrient-poor, and 93.4% of the 46 advertised beverages had 100% of calories from added sugar," study authors wrote.

The awards for most endorsements for energy-dense, nutrient-poor products goes to football player Peyton Manning and basketball player LeBron James. Bleacher Report has more on this study.

Scientists have brain breakthrough in mice
Journal: Science Translational Medicine

Researchers have discovered the first chemical compound that stops brain tissue from dying in a neurodegenerative disease, TIME.com reports.

This drug could be instrumental in fighting brain conditions such as Alzheimer's and Parkinson's disease, scientists say. But so far, the research has only been done in mice; further investigation is necessary to see if it would work in humans.

"This isn't the compound you would use in people, but it means we can do it and it's a start," lead researcher Giovanna Mallucci told BBC.

Airplane noise associated with heart problems
Journal: BMJ (British Medical Journal)

Gaggles of planes flying over your neighborhood may be doing more than disrupting your sleep. Researchers from the Harvard School of Public Health and Boston University School of Public Health found a connection between aircraft noise and heart problems among adults enrolled in Medicare, ages 65 and up.

Specifically, on average, these individuals living in zip codes exposed to 10-decibel higher aircraft noise were found to have a 3.5% higher rate of hospital admission for cardiovascular problems.

"It was surprising to find that living close to an airport, and therefore being exposed to aircraft noise, can adversely affect your cardiovascular health, even beyond exposure to air pollution and traffic noise," senior author Francesca Dominici said in a statement.

Depression in pregnancy may have repercussions on kids
Journal: JAMA Psychiatry

Mental health may get shaped by events occurring early in life, perhaps even before birth. A new study suggests that children whose mothers are depressed during pregnancy are more likely to have depression, too, by age 18.

Postpartum depression in mothers with low education, as well as in fathers, was also associated with a higher likelihood of depression in their children. Among more highly educated parents, this effect was not seen.

But education did not seem to prevent the risk of depression in children if their mothers were depressed during pregnancy, suggesting that there could be some influence from genetics and the chemicals in which the baby incubates in the womb, the Los Angeles Times reports.

Income inequality associated with depression
Journal: Journal of Epidemiology and Community Health

Income gaps within a community can also be bad for mental health, a new study finds. Such disparities may make people feel poorer than they really are statistically speaking, Reuters Health reports.

Researchers used state-level data and a nationally representative sample of Americans. They found that in women specifically, residing in a state that has higher income inequality raises the risk for developing depression. This pattern was not observed in men.

Nancy Beauregard, from the University of Montreal in Canada, who was not involved in the research, told Reuters Health that this research suggests that "where you live matters, unfortunately."


soundoff (17 Responses)
  1. Frank Stanford

    Why has no news organization talked about a study published in March 2012 from UCLA that showed turmeric and vitamin D-3 could not only prevent the formation of amyloid plaques, but remove them??? Further human studies are under way, but isn't this at least an exciting bit of evidence that these simple supplements may hold much promise. Strikingly, in India where lots of curry (turmeric) is consumed, there is a relatively low incidence of dementia and Alzheimer's. Get with it CNN.

    October 12, 2013 at 16:05 | Report abuse | Reply
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      October 13, 2013 at 15:56 | Report abuse |
  2. The Mighty Mo

    You mean someone actually wasted the money to do a study on things we already knew? Between administration/professor salaries and studies like this, it's no wonder people can't afford to get a college education anymore.

    October 12, 2013 at 20:56 | Report abuse | Reply
    • Mopery

      Actually it's because of all the money they're hemorrhaging money to their football programs. It gets expensive paying off the police when athletes and coaches get DUI's and assault or rape their fellow students at parties. Sure, you read about it in the paper a couple of times, then they stop reporting as the athlete/coach gets awards for "service to the community".

      October 13, 2013 at 01:43 | Report abuse |
  3. Portland tony

    The only research of importance listed in the article is the study that isolates the chemical compound that appears to be a precursor to stopping degenerative diseases of the brain. The others appear just anecdotal at best.

    October 12, 2013 at 22:06 | Report abuse | Reply
  4. mickinmd

    "Specifically, on average, these individuals living in zip codes exposed to 10-decibel higher aircraft noise were found to have a 3.5% higher rate of hospital admission for cardiovascular problems."

    I wonder if the study screened for dietary and stress conditions not related to location. My guess is that renting or buying property costs less in high airport noise areas and there may be an income relationship here.

    I say that because I know you get used to such noise. I've encountered it twice in my life.

    For a while in my childhood, the several mile away Friendship (now BWI) Airport near Baltimore was working on its runways and we got a lot of low-flying planes passing over our community because of temporary new patterns. At first, it was almost scary – you could barely hear yourself talk. After a while, you didn't even notice it anymore.

    The same was true when I went away to college at IIT in Chicago and the "El" (the elevated train) passed, every 5-10 minutes, a few hundred feet from my dormitory window. My roommate and I barely slept for a week but, again, we got used to it to the point of not noticing it anymore.

    October 13, 2013 at 08:13 | Report abuse | Reply
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    October 13, 2013 at 13:06 | Report abuse | Reply
  10. Sandra Walts

    Got some informations found

    October 13, 2013 at 13:14 | Report abuse | Reply
  11. Sandra Walts

    Got some informations

    October 13, 2013 at 13:15 | Report abuse | Reply
  12. drkevwe

    So much ground breaking work in progress. We remain hopeful , for incidence rates of conditions to drop.

    October 13, 2013 at 17:30 | Report abuse | Reply
  13. Chris Brown

    Science is amazing, threre are numrerous areas that have not been expored.

    October 13, 2013 at 20:49 | Report abuse | Reply
  14. Charity

    These are interesting study topics and might make for an entertaining read and in some cases even be worthy of a follow-up study. However, claiming there's a direct link between noise on a plane and heart problems is a bit of a jump for me. I think we can agree there's a positive association between stress and heart problems. However, I think it would be impossible to detect a direct association between airplane noise and a decline in cardiovascular health.

    October 14, 2013 at 11:38 | Report abuse | Reply
  15. Jane SMith

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    October 19, 2013 at 13:34 | Report abuse | Reply

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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.