Obesity

Understanding junk food “addiction” in lab rats

Exploring the hypothesis that deficits in reward processing may contribute to obesity by making it difficult for certain individuals to stop eating once their energy needs are met—either because they are prewired with faulty reward systems or because “excessive consumption of palatable food can drive reward dysfunction”—researchers

How much exercise do women need to stay trim?

For middle-aged women who aren’t counting calories, how much exercise does it take to keep off extra weight? According to a new study published this week in the Journal of the American Medical Association, roughly an hour per day. Though current recommendations from the Department of Health and Human Services suggest that a weekly 150

Study: more children are extremely obese

A large scale study of children between the ages of 2 to 19 finds that a growing number of young children are extremely obese—or have a body mass index greater than 35 kg/m. According to data from the Centers for Disease Control and Prevention (CDC), children who are in the 85th up to 95th percentile (or have a BMI higher than 25 kg/m,

Study: Sin taxes promote healthier food choices

A recent study examining the potential impact of sin taxes—increasing the cost of junk food, in particular—as a means to promote healthier choices found that, in a lab setting at least, when unhealthy foods cost more, people tended to eat them less. Now, new research attempts to size up the value of sin taxes in the real world. A

McNuggets—on the Weight Watcher’s plan?

As part of a broader effort to shed their unhealthy food reputation, in Australia and New Zealand McDonald’s is teaming up with Weight Watchers to market some menu items as healthy options that fit into the diet program’s points system, the Telegraph reported last week. The collaboration means that McDonald menus will bear the Weight …

Too little sleep linked to increased belly fat

Sleeping too much or too little is associated with a higher prevalence of belly fat, according to a new study published this week in the journal SLEEP. The analysis of more than 1,000 blacks and Hispanics between the ages of 18 and 81 found that, in participants ages 40 and younger, sleeping fewer than five hours per night or more than

Grandparent childcare: a risk for childhood obesity?

Grandparents are supposed to spoil their grandchildren, right? All of those extra treats and indulgences that Mom and Dad would say no to are often fair game when they’re coming from Nana or Grampy. Yet, while that may be a harmless occasional policy, when Granny and Pops are full-time childcare providers, it can be a recipe for

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