Blueberries, Obesity, Diabetes and Metabolic Syndrome

The information in this column is intended forany blueberries (also for 8 weeks). Blood pressure
informational purposes only, and does not constitutechecks and multiple blood tests were performed at
medical advice or recommendations by the author.both 4 weeks and 8 weeks into the study.
Please consult with your physician before making anyWhen comparing the two groups of patient
lifestyle or medication changes, or if you have anyvolunteers, the patients in the "blueberry group" were
other concerns regarding your health.found to have significantly greater decreases in their
Metabolic syndrome includes a constellation of healthhigh blood pressure when compared to the control
disorders that are associated with a high risk ofgroup. The level of oxidized LDL cholesterol in the
developing diabetes and cardiovascular disease.blood, which is a form of the "bad" LDL cholesterol
Specific disorders that are associated with metabolicthat can directly damage the lining of arteries
syndrome include high blood pressure, abnormalthroughout the body (atherosclerosis), was also
cholesterol and triglyceride levels in the blood,significantly decreased in the "blueberry group" of
obesity, and diabetes (or "pre-diabetes"). In thepatient volunteers. At the same time, there were no
United States, where obesity has become ansignificant differences between the two groups of
epidemic, public health experts estimate that as muchpatient volunteers with respect to blood glucose
as 25 percent of the population currently meets the(sugar) levels, triglyceride levels, or the levels of HDL
criteria for metabolic syndrome.(the "good" cholesterol) or LDL (the "bad" cholesterol)
Excessive calorie intake, a sedentary lifestyle, obesityin the blood.
in the abdominal and waist areas (central, or visceral,Therefore, while a brief period of a diet
obesity), genetic factors, and other adverse healthsupplemented with blueberries did not reverse all of
risks are known to contribute to the development ofthe abnormalities associated with metabolic
metabolic syndrome. Therefore, both the preventionsyndrome, the consumption of the equivalent of
and treatment of metabolic syndrome are basedabout 350 grams of blueberries each day did appear
upon exercise, a healthy low-fat and low-sugarto significantly improve at least two of the adverse
low-carb diet, and weight loss. A new prospective,health factors associated with this syndrome (i.e., high
randomized clinical research study suggests thatblood pressure and blood levels of oxidized LDL
consuming blueberries may also help to reduce somecholesterol). Based upon the intriguing findings of this
of the adverse health risks associated with metabolicsmall and short-duration study, patients with one or
syndrome.more health factors associated with metabolic
In this study, which appears in the current issue ofsyndrome might consider adding some blueberries to
The Journal of Nutrition, 48 adults (44 females and 4their daily diet, in addition to the standard treatment
males) with metabolic syndrome were divided intofor this life-threatening disorder!
two groups. One group, the "experimental group,"For more information on blueberries, and other
consumed 50 grams of freeze-dried blueberries persources of dietary polyphenols, as part of a cancer
day (equivalent to 350 grams of fresh blueberries perprevention lifestyle, watch for the publication of my
day), in the form of a beverage, for a period of 8new landmark evidence-based book, "A Cancer
weeks. The other group, the "control group,"Prevention Guide for the Human Race," in September
consumed a "placebo" beverage that did not containof this year.