A CDC report using measured heights and weights from the 2009-2010 NHANES found 35.7 percent of U.S. adults and almost 17 percent of youth were obese, unchanged from 2007-2008. Rates did not differ between men and women, and adults 60 and over were more likely to be obese than younger ones.
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Disease
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Disease
Low oxygen in cells promotes cancer growth
University of Georgia researchers analysed microarray data and found cells from breast, kidney, liver, lung, ovary, pancreatic and stomach cancers carry high levels of HIF1A, a marker of low oxygen. They suggest hypoxia, not genetic mutation, may drive some tumour growth.
Disease
My Researcher's Own Story: "How I Beat Breast Cancer"
Mercola cites Harvard School of Public Health research suggesting mammography may overdiagnose cancers that would never have caused symptoms, quotes lead author Mette Kalager, and introduces an employee's account of her own breast cancer misdiagnosis.
Disease
High Breast density linked to high risk of breast cancer
Women whose mammographic breast density topped 50 percent were at least three times as likely to be diagnosed with breast cancer as those below 10 percent, and the pattern held with or without a family history, an analysis of Nurses' Health Study data found.
Disease
Obesity reduces sexual functioning
A review in Obesity of 47 studies found the evidence consistent that obesity goes with reduced sexual functioning: obese men more often reported erectile dysfunction, women reported more problems overall, and most weight-loss studies found improvement afterward.
Disease
The ONE Number That May Best Predict Your Risk of Sudden Death
Dr. Mercola argues seven measures track health better than total cholesterol, blood pressure or BMI: fasting insulin, cholesterol/HDL ratio, serum ferritin, uric acid, vitamin D, body fat percentage and waist-to-hip ratio. He says cutting sugar, especially fructose, improves nearly all of them.
Disease
Diabetes, overweight linked to high risk of breast cancer
A Uruguayan study of 367 breast cancer cases and 545 controls found women with a history of diabetes were 64 percent more likely to have the disease, rising to 92 percent after menopause. Postmenopausal women with diabetes, overweight and dyslipidemia were more than nine times as likely.
Disease
Why Stress Makes It Harder to Kick the Common Cold
Carnegie Mellon researchers infected volunteers with a cold virus and found those reporting stress twice as likely to fall ill. Dr. Mercola explains that under chronic stress the immune system grows less sensitive to cortisol, which heightens the inflammation behind cold symptoms.
Disease
Overweight teens at high risk of urothelial cancer
Israeli Defense Force researchers following 1,110,835 adolescents found a body mass index at or above the 85th percentile at age 17 was linked to a 42 percent higher risk of later urothelial cancer. Over 18 years of follow-up, 661 people developed the disease.
Disease
Brushing your teeth, treating gum disease can't prevent heart disease
In a Circulation scientific statement drawing on a three-year review of 600 studies, the American Heart Association says gum disease neither causes cardiovascular disease nor raises its risk, so brushing and flossing should not be expected to prevent heart attack or stroke.
Disease
New Study Shows Obesity Rate Is Actually Far Worse than Previously Recognizedobsi
Researchers who compared BMI with DEXA body-fat scans in 1,400 people found about half of the women and a quarter of the men not classified as obese by BMI were obese by body fat. Mercola argues waist circumference, body fat percentage and leptin gauge risk better than BMI.
Disease
Big Surprise - Whooping Cough Spreads Mainly through Vaccinated Populations
Mercola reports on a study finding 81 percent of 2010 California whooping cough cases in people under 18 occurred in those fully up to date on the vaccine, and that DTaP effectiveness was 41 percent among 2- to 7-year-olds and 24 percent among 8- to 12-year-olds.
Disease
The Silent Time Bomb Now Affecting 1 in 54 Boys in the US
Mercola reports CDC figures putting autism spectrum diagnoses at 1 in 88 children, a 78 percent rise over five years and nearly five times more common in boys, and argues environmental exposures and toxicity flowing from the gut are driving the increase.
Disease
The Neurological Poison So Common Your Doctor Probably Pushes It
Mercola cites researchers who suggest the aluminum adjuvants in routine childhood vaccines may contribute to autoimmunity, argues adjuvants can make the immune system overreact, and says a rigorous evaluation of vaccine-related harms in children is needed.
Disease
Falling for This Myth Could Give You Cancer
Mercola argues that epigenetics undercuts genetic determinism, citing John Cairns's 1988 experiments showing DNA changes in response to the environment and Bruce Lipton's work, to claim thoughts, diet and surroundings shape how genes are expressed.
Disease
The Heart Disease Scam That Generates Billions Every Year... And May Cost You Your Life
An analysis of eight trials in more than 7,000 people found angioplasty offered no benefit over less invasive treatment of stable heart disease, yet fewer than half of patients try lifestyle changes first. The surgery risks heart attack, clots and death.
Disease
Disease Outbreaks Tied to Imported Foods Increasing according to the CDC
CDC research finds foodborne outbreaks linked to imported foods rose in 2009 and 2010, with 39 outbreaks and 2,348 illnesses traced to foods from 15 countries. Fish caused 17 outbreaks and spices most of the rest; nearly 45 percent of the implicated foods came from Asia.
Disease
April is National Autism Awareness Month (PR)
The Color of Autism Foundation marks National Autism Awareness Month with fundraising events and donation drives. The Atlanta nonprofit works with African American families, noting CDC's estimate of 1 in 88 children with an autism spectrum disorder and frequent late diagnosis or misdiagnosis.
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