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Childhood Obesity
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Obesity news courtesy of Science Daily News

How diet affects tumors ... read more
October 20, 2021
Researchers analyzed ketogenic and calorically restricted diets in mice, revealing how those diets affect cancer cells and offering an explanation for why restricting calories may slow tumor growth.

Key protein linked to appetite and obesity in mice ... read more
October 15, 2021
Researchers have identified a protein that plays a key role in how the brain regulates appetite and metabolism. Loss of the protein, XRN1, from the forebrain, resulted in obese mice with an insatiable appetite, according to a new study.

How highly processed foods harm memory in the aging brain ... read more
October 14, 2021
Four weeks on a diet of highly processed food led to a strong inflammatory response in the brains of aging rats that was accompanied by behavioral signs of memory loss, a new study has found. Researchers also found that supplementing the processed diet with the omega-3 fatty acid DHA prevented memory problems and reduced the inflammatory effects almost entirely in older rats.

Scientists map brain circuit that drives activity in fertile females ... read more
October 14, 2021
Scientists have known for a century that female animals become more active just as they are about to ovulate, a behavior that evolved to enhance their chances of mating when they are fertile.

High BMI independently associated with death and longer ICU stay for COVID patients ... read more
October 13, 2021
In patients with COVID-19, a high body mass index (BMI) is associated with an increased risk of death and prolonged intensive care unit (ICU) stay, according to a new study.

Higher fasting ‘hunger hormone’ levels from healthy diet may improve heart health and metabolism ... read more
October 13, 2021
Fasting levels of the 'hunger hormone' ghrelin rebound after weight loss and can help reduce belly fat and improve the body's sensitivity to insulin, according to a new study.

Rye a better choice than wheat for weight loss ... read more
October 12, 2021
Eating whole grain rye products instead of refined wheat alternatives can offer worthwhile health benefits. Researchers recently published a study showing that people who ate high-fiber products made from whole grain rye lost more body fat and overall weight than those who ate corresponding products made from refined wheat.

Research review shows intermittent fasting works for weight loss, health changes ... read more
October 12, 2021
Intermittent fasting can produce clinically significant weight loss as well as improve metabolic health in individuals with obesity, according to a new study.

Is low-fat or whole-fat milk better for kids? Science says it makes no difference ... read more
October 12, 2021
A new study has found whole fat dairy is just as good for kids as low-fat.

A 'cousin' of Viagra reduces obesity by stimulating cells to burn fat ... read more
October 7, 2021
Researchers have found that a drug first developed to treat Alzheimer's disease, schizophrenia and sickle cell disease reduces obesity and fatty liver in mice and improves their heart function -- without changes in food intake or daily activity.

Scientists discover 14 genes that cause obesity ... read more
October 1, 2021
The discovery of genes that directly cause obesity could pave the way for treatments for a condition that affects more than 40 percent of American adults.

Paradigm shift in treatment of type 2 diabetes to focus on weight loss ... read more
September 30, 2021
Medical researchers have reviewed current literature and are recommending a pivotal change in treatment of Type 2 diabetes to focus on obesity first and glucose control second.

How high-fat diets allow cancer cells to go unnoticed ... read more
September 28, 2021
The immune system relies on cell surface tags to recognize cancer cells. Researchers discovered mice who ate high-fat diets produced less of these tags on their intestinal cells, suppressing the ability of immune cells to identify and eliminate intestinal tumors. The high-fat diet also reduced the presence of certain bacteria in the mice's gut, which normally helps maintain the production of these tags.

Strength training can burn fat too, myth-busting study finds ... read more
September 22, 2021
A new systematic review and meta-analysis shows we can lose around 1.4 per cent of our entire body fat through strength training alone, which is similar to how much we might lose through cardio or aerobics.

Sticking to low-fat dairy may not be the only heart healthy option, study shows ... read more
September 21, 2021
New research amongst the world's biggest consumers of dairy foods has shown that those with higher intakes of dairy fat - measured by levels of fatty acids in the blood - had a lower risk of cardiovascular disease compared to those with low intakes. Higher intakes of dairy fat were not associated with an increased risk of death.

Eating less fat may save your hair ... read more
September 21, 2021
Researchers have uncovered a molecular mechanism behind why obesity can lead to hair thinning. They found that stem cells within hair follicles in mice given a high-fat diet behaved differently from those in mice with a standard diet. Inflammatory signals in the stem cells led to these differences, ultimately resulting in hair thinning and loss. These fascinating data shed light on the complicated link between obesity and organ dysfunction.

Researchers call for a focus on fitness over weight loss for obesity-related health conditions ... read more
September 20, 2021
The prevalence of obesity around the world has tripled over the past 40 years, and, along with that rise, dieting and attempts to lose weight also have soared. But according to a new article, when it comes to getting healthy and reducing mortality risk, increasing physical activity and improving fitness appear to be superior to weight loss. The authors say that employing a weight-neutral approach to the treatment of obesity-related health conditions also reduces the health risks associated with yo-yo dieting.

Meds, surgery may help obesity-related high blood pressure if diet, exercise fall short ... read more
September 20, 2021
Being overweight or having obesity, weight that is higher than what is considered healthy for an individual's height, is a major risk factor for high blood pressure. A healthy diet, more physical activity and less sedentary time are recommended to reduce blood pressure for people who are overweight or have obesity; however, evidence of long-term weight loss and sustained blood pressure reductions from these lifestyle changes is limited. New weight-loss medications and bariatric surgery have shown benefits in both long-term weight loss and improved blood pressure, which can reduce the long-term, negative impact of high blood pressure on organ damage.

More intensive and personalized strategies may be needed for weight loss ... read more
September 15, 2021
Modest weight loss can lead to meaningful risk reduction in adults with obesity. Although both behavioral economic incentives and environmental change strategies have shown promise for initial weight loss, to date their efficacy alone or in combination have not been compared.

Gut microbiota influences the ability to lose weight ... read more
September 14, 2021
Gut microbiota influences the ability to lose weight in humans, according to new research.

Scientists claim that overeating is not the primary cause of obesity ... read more
September 13, 2021
A perspective article challenges the 'energy balance model,' which says weight gain occurs because individuals consume more energy than they expend. According to the authors, 'conceptualizing obesity as a disorder of energy balance restates a principle of physics without considering the biological mechanisms underlying weight gain.' The authors argue for the 'carbohydrate insulin model,' which explains obesity as a metabolic disorder driven by what we eat, rather than how much. *Public health messaging exhorting people to eat less and exercise more has failed to stem rising rates of obesity and obesity-related diseases. *The energy balance model, which says weight gain is caused by consuming more energy than we expend, "restates a principle of physics without considering the biological mechanisms driving weight gain." *The carbohydrate-insulin model makes a bold claim: overeating doesn't cause obesity; the process of getting fat causes overeating. *The current obesity epidemic is due, in part, to hormonal responses to changes in food quality: in particular, high-glycemic load foods, which fundamentally change metabolism. *Focusing on what we eat rather than how much we eat is a better strategy for weight management.

Omics data suggests larger effect of smoking on body mass index than previously thought ... read more
September 9, 2021
Smoking-related DNA methylation patterns explain around a fifth of the variation in body mass index (BMI) between individuals, according to a new study.

Potential indicator for obesity risk detected during sleep ... read more
September 9, 2021
Researchers have shown that people with inflexible metabolisms burn less fat at night than those with flexible metabolism. The team measured the respiratory quotient throughout the night and found that despite equal ages, BMIs, and amount of fat, people with inflexible metabolisms burned more carbohydrates and less fat than did people with flexible metabolisms. The higher sleep-time quotient could be a previously unknown indicator for the risk of future metabolic disease.

Avocados change belly fat distribution in women, controlled study finds ... read more
September 7, 2021
An avocado a day could help redistribute belly fat in women toward a healthier profile, according to a new study. One hundred and five adults with overweight and obesity participated in a randomized controlled trial that provided one meal a day for 12 weeks. Women who consumed avocado as part of their daily meal had a reduction in deeper visceral abdominal fat.

High fat diets break the body clock in rats, and this might be the underlying cause of obesity ... read more
September 6, 2021
When rats are fed a high fat diet, this disturbs the body clock in their brain that normally controls satiety, leading to over-eating and obesity, according to new research.

Decades after toxic exposure, 9/11 first responders may still lower their risk of lung injury ... read more
September 2, 2021
A new study shows that losing weight and treating excess levels of fat in the blood may help prevent lung disease in those exposed to dangerous levels of fine particles from fire, smoke and toxic chemicals.

Study finds body mass index for children greatest in Midwest, least in West ... read more
September 1, 2021
A study examining the body mass index (BMI) of over 14,000 children from birth to age 15 shows those in the Midwest have the highest BMI levels while kids in the West have the lowest, suggesting regional influences may play a role in the development of childhood obesity.

School day structure could benefit children's health ... read more
September 1, 2021
Having a structured environment for children, whether during school days or when stuck in quarantine as the COVID-19 pandemic continues, could benefit children's health, according to new research.

How can I avoid heart disease or stroke? ... read more
August 30, 2021
As much as 90% of the risk of a heart attack, stroke, or peripheral arterial disease (PAD) can be explained by smoking, poor eating habits, lack of physical activity, abdominal obesity, high blood pressure, raised blood lipid levels, diabetes, psychosocial factors, or alcohol. These guidelines focus on atherosclerotic cardiovascular disease (CVD), which affects the arteries. As the inside of the arteries become clogged up by fatty deposits, they can no longer supply enough blood to the body. This process is the main cause of heart attacks, strokes, PAD and sudden death where arteries become completely blocked. The most important way to prevent these conditions is to adopt a healthy lifestyle throughout life, especially not smoking, and to treat risk factors.

Eating walnuts daily lowered 'bad' cholesterol and may reduce cardiovascular disease risk ... read more
August 30, 2021
Healthy older adults who ate a handful of walnuts (about ½ cup) a day for two years modestly lowered their level of low-density lipoprotein or LDL cholesterol levels. Consuming walnuts daily also reduced the number of LDL particles, a predictor of cardiovascular disease risk. The study explored the effects of a walnut-enriched diet on overall cholesterol in elderly individuals from diverse geographical locations and spanning two years.

Common pesticide may contribute to global obesity crisis ... read more
August 27, 2021
Researchers discovered that chlorpyrifos, which is banned for use on foods in Canada but widely sprayed on fruits and vegetables in many other parts of the world, slows down the burning of calories in the brown adipose tissue of mice. Reducing this burning of calories, a process known as diet-induced thermogenesis, causes the body to store these extra calories, promoting obesity. Scientists made the discovery after studying 34 commonly used pesticides and herbicides in brown fat cells and testing the effects of chlorpyrifos in mice fed high calorie diets.

Large genetic analysis identifies numerous gene variants linked with differences in food intake ... read more
August 24, 2021
A team of researchers have identified more than two dozen genetic regions that may affect individuals' food intake.

Pecan-enriched diet shown to reduce cholesterol ... read more
August 23, 2021
Researchers show that pecans can dramatically improve a person's cholesterol levels.

Distress signal from fat cells prompts heart to shore up defenses against consequences of obesity ... read more
August 20, 2021
A stress signal received by the heart from fat could help protect against cardiac damage induced by obesity, a new study suggests. The finding could help explain the 'obesity paradox,' a phenomenon in which obese individuals have better short- and medium-term cardiovascular disease prognoses compared with those who are lean, but with ultimately worse long-term outcomes.

How fructose in the diet contributes to obesity ... read more
August 18, 2021
Eating fructose appears to alter cells in the digestive tract in a way that enables it to take in more nutrients, according to a preclinical study. These changes could help to explain the well-known link between rising fructose consumption around the world and increased rates of obesity and certain cancers.

Dieting: Villain or scapegoat? ... read more
August 17, 2021
For decades, there has been an accepted definition of dieting in academia, and in society as a whole. Researchers recently reevaluated the decades of dieting research to redefine the way researchers and the public define -- and therefore understand - dieting and the culture of weight loss.

Study reveals missing link between high-fat diet, microbiota and heart disease ... read more
August 12, 2021
A high-fat diet disrupts the biology of the gut's inner lining and its microbial communities -- and promotes the production of a metabolite that may contribute to heart disease, according to a new study.

Targeting mitochondria shows promise in treating obesity ... read more
August 12, 2021
Scientists have discovered a novel pharmacological approach to attenuate the mitochondrial dysfunction that drives diet-induced obesity.

Only one human fat cell subtype responds to insulin stimulation ... read more
August 10, 2021
It is well known that fat cells can influence our sensitivity to insulin. Now, researchers have discovered that there are three different subtypes of mature fat cells in white adipose tissue and that it is only one of these, called AdipoPLIN, that responds to insulin. The findings may be relevant for future treatments of metabolic diseases such as Type 2 diabetes.

Beige fat 'indispensable' in protecting the brain from dementia ... read more
August 10, 2021
Beige is considered a calming paint color, and scientists have new evidence that beige fat has a similar impact on the brain, bringing down the inflammation associated with the more common white fat and providing protection from dementia.

New study offers insight on how resistance training burns fat ... read more
August 9, 2021
Findings from a new study add to growing evidence that resistance exercise has unique benefits for fat loss. Researchers found that resistance-like exercise regulates fat cell metabolism at a molecular level.

High BMI causes depression – and both physical and social factors play a role ... read more
August 9, 2021
A largescale new study provides further evidence that being overweight causes depression and lowers wellbeing and indicates both social and physical factors may play a role in the effect. With one in four adults estimated to be obese in the UK, and growing numbers of children affected, obesity is a global health challenge. While the dangers of being obese on physical health is well known, researchers are now discovering that being overweight can also have a significant impact on mental health.

Cytokine increases production of 'beige fat' to burn more cellular energy ... read more
August 5, 2021
An immune signal promotes the production of energy-burning 'beige fat,' according to a new study. The finding may lead to new ways to reduce obesity and treat metabolic disorders.

Common weight-loss drug successfully targets fat that can endanger heart health ... read more
August 4, 2021
Researchers have announced successful results of a clinical trial for a commonly prescribed weight-loss drug called liraglutide. In adults who are overweight or have obesity combined with high cardiovascular risk, once-daily liraglutide combined with lifestyle interventions significantly lowered two types of fat that have been associated with risk to heart health: visceral fat and ectopic fat.

Molecular switch regulates fat burning in mice ... read more
August 2, 2021
New research demonstrates a metabolic regulatory molecule called Them1 prevents fat burning in cells by blocking access to their fuel source. The study may contribute to the development of a new type of obesity treatment.

Cutting 250 calories daily and exercising may improve heart health in obese older adults ... read more
August 2, 2021
Among older adults with obesity, combining aerobic exercise with moderate reductions in total daily calories led to greater improvements in vascular health compared to exercise alone. Reducing calorie intake by approximately 250 calories per day may lead to significant weight loss and improve vascular health in older adults with obesity.

Preventing childhood obesity requires changes in parents’ and clinicians’ early-life care ... read more
July 29, 2021
Interventions to prevent obesity in children typically don't target the first 1,000 days of life - -a critical period in which environmental and nutritional cues can increase the risk for obesity. A new study demonstrates how changing parents' health behavior and how clinicians deliver care to mothers and infants decreased excess weight gain in infants.

Mice treated with this cytokine lose weight by ‘sweating’ fat ... read more
July 29, 2021
Treating obese mice with the cytokine known as TSLP led to significant abdominal fat and weight loss compared to controls. The animal model findings support the possibility that increasing sebum production via the immune system could be a strategy for treating obesity in people.

Patients report long-term favorable effects of weight loss surgery in their daily lives ... read more
July 27, 2021
A new study shows that over the course of five years, patients who had bariatric and metabolic surgery to treat uncontrolled type 2 diabetes reported greater physical health, more energy, less body pain, and less negative effects of diabetes in their daily lives, compared with patients who had medical therapy alone for their diabetes.

New dietary treatment for epilepsy well tolerated and reduced seizures, study finds ... read more
July 22, 2021
A clinical trial of a new dietary treatment for children and adults with severe forms of epilepsy based on the ketogenic diet has been successfully completed.

RNA modification may protect against liver disease ... read more
July 19, 2021
An RNA modification may offer protection against non-alcoholic fatty liver, a condition that results from a build-up of fat in the liver and can lead to advanced liver disease, according to a new study. The modification may also explain why females tend to have higher fat content in the liver.

A fermented-food diet increases microbiome diversity and lowers inflammation, study finds ... read more
July 12, 2021
A diet rich in fermented foods enhances the diversity of gut microbes and decreases molecular signs of inflammation, according to researchers.

Could ketogenic diet be helpful with brain cancer? ... read more
July 7, 2021
A modified ketogenic diet may be worth exploring for people with brain tumors, according to a new study. The small study found that the diet was safe and feasible for people with brain tumors called astrocytomas. The study was not designed to determine whether the diet could slow down tumor growth or improve survival.

Impulsiveness tied to faster eating in children, can lead to obesity ... read more
July 7, 2021
The research sought to uncover the relationship between temperament and eating behaviors in early childhood. The findings are critical because faster eating and greater responsiveness to food cues have been linked to obesity risk in children.

A promising new pathway to treating type 2 diabetes ... read more
June 29, 2021
Researchers believe the liver may hold the key to new, preventative Type 2 diabetes treatments.

Researchers find health benefits of Connecticut-grown sugar kelp ... read more
June 24, 2021
Researchers have reported significant findings supporting the nutritional benefits of Connecticut-grown sugar kelp. They found brown sugar kelp (Saccharina latissima) inhibits hepatic inflammation and fibrosis in a mouse model of diet-induced non-alcoholic steatohepatitis, a fatty liver disease.

Starting the day off with chocolate could have unexpected benefits ... read more
June 24, 2021
A new study of postmenopausal women has found that eating a concentrated amount of chocolate during a narrow window of time in the morning may help the body burn fat and decrease blood sugar levels.

Dieting and its effect on the gut microbiome ... read more
June 23, 2021
Researchers were able to show for the first time that a very low calorie diet significantly alters the composition of the microbiota present in the human gut. The researchers report that dieting results in an increase of specific bacteria - notably Clostridioides difficile, which is associated with antibiotic-induced diarrhea and colitis.

Western high-fat diet can cause chronic pain, according to new study ... read more
June 23, 2021
A typical Western high-fat diet can increase the risk of painful disorders common in people with conditions such as diabetes or obesity, according to a new study.

Rap1 controls the body's sugar levels from the brain ... read more
June 22, 2021
Researchers have discovered a mechanism in a small area of the brain that regulates whole-body glucose balance without affecting body weight.

 


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