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Study: Kids who drink soda, juice weigh more
August 5th, 2013
01:47 PM ET

Study: Kids who drink soda, juice weigh more

There's a strong link between sugary drinks and obesity. Scientific studies have shown that adults who consume more sugar-sweetened beverages tend to have higher body mass indexes, or BMIs, than their water-drinking counterparts.

But until now, this association hadn't been closely examined in kids younger than 5.

The American Academy of Pediatrics recommends that young children avoid all sugar-sweetened beverages. A new study, published in the organization's journal Pediatrics, offers further evidence to support that recommendation.
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Study: Diet soda may do more harm than good
July 10th, 2013
05:01 PM ET

Study: Diet soda may do more harm than good

Diet soda drinkers have the same health issues as those who drink regular soda, according to a new report published Wednesday.

Purdue University researchers reviewed a dozen studies published in past five years that examined the relationship between consuming diet soda and health outcomes. They then published an opinion piece on their findings in the journal Trends in Endocrinology & Metabolism, saying they were “shocked” by the results.

"Honestly, I thought that diet soda would be marginally better compared to regular soda in terms of health," said Susan Swithers, the report's author and a behavioral neuroscientist and professor of psychological sciences. “But in reality it has a counterintuitive effect.”

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You're eating more calories than you think
May 23rd, 2013
06:31 PM ET

You're eating more calories than you think

Calorie counting has long been touted as an effective tool for losing pounds or maintaining a healthy weight. But new research published in the British Medical Journal shows many of us are underestimating the calories we're eating, especially when we visit fast food restaurants.

The study

Researchers interviewed more than 1,800 adults, 1,100 adolescents and 330 children at several fast food chains in New England. The interviews were done at McDonald's, Burger King, Subway, KFC, Dunkin' Donuts and Wendy's around dinnertime and lunchtime.

Study participants were asked to estimate their meal's calorie count. Researchers then collected the bill to later tally the correct amount of calories using nutrition info posted on the chain's website. FULL POST


Report questions benefits of salt reduction
May 14th, 2013
02:28 PM ET

Report questions benefits of salt reduction

Reducing salt consumption below the currently recommended 2,300 milligrams – about 1 1/2 teaspoons– per day maybe unnecessary, according to a new report released Tuesday by the Institute of Medicine (IOM).

The news follows a decades-long push to get Americans to reduce the amount of salt in their diet because of strong links between high sodium consumption and hypertension, a known risk factor for heart disease.

The IOM, at the request of the Centers for Disease Control and Prevention, reviewed recent studies published through 2012 that explored ties between salt consumption and direct health outcomes like cardiovascular disease and death. The organization describes itself as "an independent, nonprofit organization that works outside of government to provide unbiased and authoritative advice to decision makers and the public."

Researchers determined there wasn't enough evidence to say whether lowering salt consumption to levels between 1,500 and 2,300 mg per day could increase or decrease your risk of heart disease and mortality. But lowering sodium intake might adversely affect your health, the panel found.

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Too-early solid food could lead to problems for babies
March 25th, 2013
02:36 PM ET

Too-early solid food could lead to problems for babies

At least 40% of moms are feeding their infants solid foods far too early, according a new study published in the medical journal Pediatrics, and that may lead to problems for their children later in life.

Researchers wanted to know how many babies were being fed solid foods (including cereal and baby food) sooner than recommended, whether breast-feeding or formula feeding made a difference and why solids were being introduced early. When the study began in 2005,  the American Academy of Pediatrics (AAP), which also publishes the journal Pediatrics, recommended introducing solid foods when babies were between 4 and 6 months old.

In 2012, the AAP changed those recommendations. Now it says babies shouldn't be eating solid food until they are about 6 months old.

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Lessons about disease...from mummies
March 10th, 2013
07:58 PM ET

Lessons about disease...from mummies

Talk about a startling juxtaposition: A mummy in a CT scanner. You may be wondering: Why in the world would a mummy get a CT scan?

It turns out that preserved peoples are great study subjects, especially when you are trying to figure out the roots of health problems that span millennia.

A study released Sunday in The Lancet suggests that atherosclerosis - the disease that makes arteries go rigid, and is a leading cause of death worldwide - may have been around for thousands of years.

"We like to say that we found the serial killer that's stalked mankind for 4,000 years," said Dr. Randall Thompson, attending cardiologist at Saint Luke's Mid America Heart Institute, and lead author of the study.
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We're eating less fast food - but not by much
February 21st, 2013
12:01 AM ET

We're eating less fast food - but not by much

Americans are eating less fast food daily than they used to, according to a new report from the Centers for Disease Control and Prevention.  But it's not much less.

Using data from 2007 to 2010, the CDC's National Center for Health Statistics determined adults eat, on average, 11.3% of their daily calories from fast food. That number was 12.8% in 2006– a one and half point difference.

As you would expect, younger adults tend to eat more fast food than seniors. People older than 60 eat approximately 6% of their daily calories from fast food. Among the younger age groups, non-Hispanic black adults eat the most fast food - using more than one-fifth of their daily calories at fast food establishments.

The CDC did not see a significant difference in fast food consumption based on income, according to the report. Only in the 20-to-39 age group did fast food consumption drop as income increased.

Fast food has been linked to the obesity epidemic in the United States. Not surprisingly, obese adults in each age group ate more of their calories from fast food.

Photos: Worst fast-food meals for sodium


Meal times may affect weight loss success
January 29th, 2013
05:01 AM ET

Meal times may affect weight loss success

Losing weight may not be just about WHAT you eat but WHEN you eat it, according to a new study. Participants in the study who ate a bigger meal later in the day lost less weight than those who ate earlier.

Study authors Marta Garaulet and Dr. Frank Scheer, director of the medical chronobiology program at Brigham and Women’s Hospital in Boston, followed 420 people in Spain during a 20-week weight loss treatment program.

The participants were split into two groups – early eaters who ate lunch before 3 p.m. and late eaters who ate lunch after 3 p.m. In Spain, lunch is the biggest meal of the day, comprising about 40% of a person’s daily calories.

The early eaters, on average, lost 25% more weight than the late eaters over the course of the study, according to Scheer.
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Asthma, eczema and hay fever may be linked to fast food
January 14th, 2013
04:26 PM ET

Asthma, eczema and hay fever may be linked to fast food

Teenagers and young children who eat fast food could be increasing their risk of developing asthma, eczema and hay fever, according to a study published Monday in the British Medical Journal's respiratory journal Thorax.

The International Study of Asthma and Allergies in Childhood (ISAAC) study used written questionnaires completed by 319,196 13-  and 14-year-olds from 51 countries and by the parents of 181,631 6- and 7-year-olds in 31 countries.  They were asked if they had symptoms of the three conditions and about their weekly diet - including the types of foods they ate over the last year, and how often.

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Overeating in children may be linked to drug use
December 10th, 2012
02:49 PM ET

Overeating in children may be linked to drug use

Do bad nutrition habits like overeating or binge eating lead to smoking pot? Some health experts think they might, according to a study published Monday.

Habits like overeating have always been known to affect our health, nutritionists say.  In some cases, people say they lose control and just can’t stop. Now scientists are finding that both habits and that feeling of lacking control may lead to other health issues.

Researchers at Boston Children’s Hospital studied a group of 16,882 boys and girls between the ages of 9 and 15 who participated in the Growing Up Today Study, beginning in 1996. From that time to 2005, investigators sent out questionnaires every 12 to 24 months, asking if these children were overeating or binge eating. Binge eating was defined as eating an amount of food that is larger than most people would eat in the same time span under similar circumstances and feeling a lack of control over eating during that time. Overeating did not have to be connected to loss of control.

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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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