|The 5:2 diet - intermittent fasting - debunked||12/05/18|
|Drinking coffee may reduce all-cause mortality||11/28/18|
|When the low-carb hype doesn't add up||11/21/18|
|Vitamin D supplements don't prevent cancer or heart disease||11/14/18|
|Breakfast may not be as important as previously thought||11/07/18|
|Legumes may help prevent diabetes||10/31/18|
|More organic foods may mean less cancer, but the evidence isn't in||10/24/18|
|Corn oil better for cholesterol than coconut oil||10/17/18|
|The right fats help reduce age-related weight gain||10/10/18|
|Red meat in a Mediterranean-style Diet||10/03/18|
|Portion size and consumption, healthy foods edition||09/26/18|
|'Resistant starch' does not improve glycemic control||09/19/18|
|Live more robustly in later life with a Mediterranean Diet||09/12/18|
|Beverages vs. food: the source of sugar matters||09/05/18|
|All Health and Nutrition Bites|
Parents' portions, kids' portions
Back in 2012 I shared with you a study that showed that when preschoolers are presented with larger servings, they tend to eat more. On that occasion I pointed out that parents who were trying to get their children to eat more vegetables could make that work for them by serving larger portions of vegetables at mealtimes.
Take a moment and eat less, even when you're hungry
So many factors outside of ourselves can influence what we eat, when, and how much. Just having snacks around can make you want to eat them (Bite, 9/18/13), and using larger plates or bowls can lead you to eat more, even if you know better (Bite, 10/06/06), the food isn't very good, or you're not even hungry. Worse yet, if you are hungry you're more likely to eat more and you're more likely to eat unhealthy food even when healthier options are available.
Can you be healthy and overweight?
The research I'll be discussing today really got people's attention: the editor of theAnnals of Internal Medicine set the tone by writing an editorial titled "The Myth of Healthy Obesity." It's the secondary results of this study that I find even more interesting, however.
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Researchers in the Department of Dietetics at Harokopio University, in Athens, Greece, evaluated the combined effects of a Mediterranean Diet, alcohol consumption, physical activity, and other factors on the cholesterol levels of persons 65 and over (Lipids in Health and Disease 2005;4:17).
The study's 150 participants, none of which had cardiovascular disease, were interviewed regarding their adherence to a Mediterranean Diet. Their level of adherence was assigned a score from zero to 55. Similarly, the interviewers assessed the participants' level and frequency of exercise, how many alcoholic beverages they consumed in a day, and whether and how much they smoked. For each of those factors, additional scores were assigned, and the diet, exercise, alcohol and smoking scores were added together to create what the researchers term a "healthy index," with higher scores indicating a more healthy lifestyle.
Finally, each participant's Body Mass Index was calculated, and their blood pressure and cholesterol levels were tested: 65% of the participants in the study had high cholesterol, while over 60% had high blood pressure. After analyzing the relationship between cholesterol levels, blood pressure, and their "healthy index," the researchers concluded that the presence of two or more protective factors, such as a high Mediterranean Diet score and not smoking, appeared to reduce their subjects' risk of high cholesterol by 53%. Simply having a better-than-average score for their adherence to the Mediterranean Diet meant a 23% lower risk of high cholesterol.
Another interesting conclusion came after they focused on those subjects who were under treatment for their cholesterol problem and began the Mediterranean Diet after being diagnosed. This combination of treatments (both medication and diet change) reduced their total cholesterol by 26% and their LDL cholesterol (the bad stuff) by 29%.
Studies like this one show that it's never too late to improve your health. It's clear that a combination of treatments, including a healthy lifestyle, not smoking, eating a Mediterranean Diet, and moderate alcohol intake can have positive effects on your cholesterol levels.
First posted: May 16, 2007