Articles tagged with Obesity
Researchers found that some morbidly obese patients have better cardiovascular disease risk profiles than those who are less obese. Bariatric weight-loss surgery may benefit individuals with a BMI as low as 30, not just those with higher BMIs.
A new study from Duke University Medical Center shows that even a modest amount of brisk walking weekly can trim waistlines and cut the risk of metabolic syndrome. The research found that participants who exercised for at least 30 minutes a day, six days a week, saw significant benefits in reduced MetS scores.
A study published in the Journal of Clinical Sleep Medicine found an association between short sleep times and obesity in patients with chronic medical problems. The results suggest that adults should aim for eight to nine hours of sleep per night to maintain optimal weight.
The number of bariatric surgeries performed worldwide has surged fivefold in five years, with mounting evidence suggesting the procedure reduces mortality in morbidly obese individuals. Research highlights the benefits of surgery on obesity-related comorbidities and psychological well-being.
New studies from Purdue University find that living longer with obesity leads to longer hospital stays and more avoidable trips to the hospital. The research also suggests that addressing obesity at a younger age can help prevent chronic health problems.
A study found that adults over 60 with higher cardiorespiratory fitness lived longer than unfit adults, independent of body fat levels. Higher fitness levels were inversely related to all-cause death in both normal-weight and overweight BMI subgroups.
A study of 25,647 adult liver transplant candidates found that obesity alone should not exclude patients from transplantation. Patients with high BMIs experience a significant survival benefit from liver transplantation and have similar rates of mortality after transplant compared to patients with normal BMI.
A University of Washington study finds that the prices of lower-calorie foods have risen nearly 20% in two years, while energy-dense foods remain stable or drop in price. This disparity may make it difficult for consumers to maintain a healthy diet.
Researchers found that mice lacking the renin enzyme are lean and resistant to diet-induced obesity, even without exercise. The study suggests that renin-blocking drugs could improve obesity and insulin sensitivity, providing new insights into the metabolic syndrome.
A University of Missouri-Columbia study found that weight gain, not the type of diet, is a key factor in developing diabetes in cats. The researchers compared glucose-tolerance tests between cats fed dry food and those fed canned food, finding no significant difference.
Research by The Peninsula College of Medicine and Dentistry found that maintaining physical activity in middle age leads to better basic physical abilities as we age. Physical activity is associated with fewer than 13% of people developing physical disability. Weight is not a deciding factor in this benefit.
African-American men face an observable disadvantage in prostate cancer survival due to genetic and behavioral differences. Research highlights the impact of cultural beliefs, such as fatalism and religiosity, on cancer detection and control, as well as the link between obesity and advanced-stage prostate cancer diagnosis.
A study found that approximately 27% of obese gastric bypass patients weighing over 450 pounds were denied standard diagnostic imaging due to weight restrictions. This can lead to delayed diagnosis and compromised patient care.
A new study reveals that individuals with higher body mass index (BMI) experience greater drops in lung function after acute ozone exposure. The research found that underweight individuals have lower ozone-related drops in lung function, while overweight and obese individuals exhibit the greatest declines.
Research found that higher body mass index (BMI) is associated with greater plasma volume, leading to lower PSA concentrations among obese men. The study of over 13,000 men with prostate cancer suggests a possible explanation for the observed association between obesity and decreased PSA levels.
Physicians face challenges in managing and identifying obesity, with most lacking skills and knowledge to address the issue. A top researcher highlights the importance of training family physicians to provide optimal care to obese patients.
A new study led by Duke Prostate Center researchers found that obese men may be missing cancers because the blood marker used to detect prostate cancer can be diluted in their bodies. The concentration of prostate-specific antigen (PSA) in the blood is lower in obese men due to increased blood volume.
A recent study found that most college students wish they were thinner, with 90% of women wanting to be within the normal-weight range. However, many overweight individuals also desire a body weight that would keep them overweight, suggesting a disconnect between idealized and healthy weights.
A Stanford study found that using pedometers can increase daily physical activity by 2,000 steps, leading to significant weight loss and improved blood pressure. The study of over 2,700 participants suggests that pedometers are a simple yet effective tool for promoting health behaviors.
A study found that beverage calorie intake nearly doubled from 1965 to 2002, providing an average of 21% of daily energy intake among US adults. This increase contributes significantly to the obesity crisis, with additional calories coming from sugary drinks, alcohol, and other high-calorie beverages.
A meta-analysis of four clinical trials found that patients taking rimonabant experienced a 4.7kg greater weight reduction but were at a 40% higher risk of adverse events. Rimonabant also increased the likelihood of discontinuation due to depressive disorders and anxiety.
Men diagnosed with prostate cancer who are overweight or obese have a higher risk of death after treatment, according to a new study. The study found that being overweight or obese at diagnosis was an independent risk factor for prostate cancer-specific mortality.
Researchers propose a broader approach to uncovering the causes and consequences of obesity, highlighting similarities in cell responses to excess nutrients. This understanding might reveal why overeating leads to various diseases and explain animal longevity on calorie-restricted diets.
Researchers have discovered that the FTO gene influences weight gain by modifying DNA, suggesting a role in controlling hunger and satiety. The study found that the FTO variant is common and associated with increased risk of obesity and diabetes, paving the way for potential therapeutic manipulation.
Underweight individuals are associated with increased mortality from non-cancer, non-CVD causes, while overweight individuals experience decreased mortality from these causes. Obesity is linked to significantly increased CVD mortality, but not necessarily overall mortality.
A study found that the prevalence of functional impairments is increasing among older obese individuals in the US, despite improvements in cardiovascular health. Obese individuals are more likely to experience disability, including difficulties with daily activities.
A new study by University of Michigan researchers found that fear of weight gain is a significant obstacle to quitting smoking for many women, who often have unrealistic body images and eating problems. Despite this, most weight-concerned smokers can be successful in kicking the habit with help.
UCSD researchers have discovered that inflammation from immune cells called macrophages leads to insulin resistance and Type 2 diabetes. By disabling the macrophage inflammatory pathway, insulin resistance can be prevented in mouse models.
A study by UNC researchers concludes that people over 60 with high blood pressure are less likely to receive lifestyle modification advice from their doctors compared to younger groups. Despite this, most patients remember receiving some type of advice on making healthier choices to lower their blood pressure.
A study found that supervised exercise programs resulted in varying weight loss outcomes due to compensatory responses such as increased hunger and food intake. The research suggests that individual variability plays a crucial role in weight management, highlighting the need for tailored approaches to address differences in physiologic...
A recent study led by UT Southwestern Medical Center reveals that government-imposed restrictions on bariatric surgeries in the US significantly limit access to these life-saving procedures for low-income and underinsured populations. Despite high-volume centers performing better, low-volume centers with higher-risk patients achieve co...
Genetically obese rats showed lower dopamine D2 receptor levels than lean counterparts. However, restricting food intake increased D2 receptor numbers, partially reversing age-related decline. This finding suggests a link between brain's reward system and food availability in obesity.
Researchers at the University of Cincinnati have discovered a new molecular target that may help develop drugs to reduce fat transport in adipocytes and prevent obesity. Knocking out a specific cell receptor called LRP1 has been shown to decrease fat storage and weight gain in genetically altered mice.
A new study found that the implementation of eICU tele-intensivist program in hospitals provided positive outcomes, including a decrease in mortality, ICU and hospital length of stays. Another study suggested that rural hospitals can save money by using tele-intensivist programs to reduce patients' hospital length of stay.
Research suggests viruses like Human Ad-36 may play a role in causing obesity in humans, with evidence showing weight gain and fat storage in infected animals. Studies also found connections between viral infections and obesity in human subjects, including exposure to the Ad-36 virus.
Contrave significantly reduced food intake in both lean and obese mice by targeting the ventral tegmental area, a key region of the reward pathway. The combination of bupropion and naltrexone resulted in a 94% reduction of food intake in obese mice, demonstrating potential for effective weight loss treatment.
Researchers develop biosensors that track metabolic activity and diagnose unhealthy conditions in obesity. ATP's role in metabolism makes it a potential target for early diagnosis and treatment of metabolic syndrome.
Research suggests that weight gain throughout adulthood, rather than maintaining a stable weight, may increase the risk of breast cancer after menopause. Women who gained weight during certain life stages were more likely to develop breast cancer compared to those with stable weights.
A new research study found that chewing gum before an afternoon snack can significantly reduce calorie intake from snacks by 25 calories. Nutritionists say even small changes in calories can have a long-term impact on weight management.
Researchers found two genetic SNPs influencing metabolic efficiency in Pima individuals, which helped them survive the Sonora desert's harsh environment. These findings suggest that similar SNPs may contribute to obesity globally.
A recent editorial highlights the need for further research on bariatric surgery's risks and outcomes to convince non-believers of its benefits for morbidly obese patients. Studies suggest that routine upper GI tests may not be necessary, and complications can have devastating consequences if left untreated.
Obese Medicaid patients undergoing Roux-en-Y gastric bypass surgery were more likely to return to work, with 37% working after surgery compared to 6% of non-surgical controls. Resolution of comorbid conditions post-surgery was a key factor in return to work.
Research found obesity to be the highest attributable risk factor for developing colorectal cancer in women. Among participants, 20% were obese and 14% were smokers, with BMI accounting for one-fifth of significant polyps detected during colonoscopy.
Researchers found that individuals with genetically lower dopamine D2 receptors are more motivated to eat and consume more calories. This study provides insights into the genetic contribution to eating behavior and obesity, highlighting potential targets for tailored treatment programs.
Brian Wansink's research on bottomless bowls of creamy tomato soup found that people eating from soup bowls with hidden refills ate 73% more soup than those in normal bowls, without feeling fuller. The study suggests that cues around us influence not only what we eat but also how much and when we feel full
A recent study found that TPPII stimulates the formation of fat cells in worms and mammalian cells, leading to decreased fat stores. Mice with lower levels of TPPII were thinner than their wild-type littermates despite comparable food intake.
A recent study by Michael Inzlicht and Jennifer N. Gutsell found that people who suppress their emotions experience a depletion of resources for self-control, leading to poor performance on tasks requiring self-regulation. This depletion can last even after the initial emotional suppression has ceased.
Research found that obese individuals are six times more likely to develop esophageal cancer compared to those of healthy weight. A combination of obesity, acid reflux, and smoking significantly increased the risk of adenocarcinomas of the esophagus.
A Saint Louis University study suggests severely obese women should lose weight during pregnancy, while obese women who are pregnant should gain less weight. Limiting weight gain reduces the risk of preeclampsia, cesarean delivery, and has babies with normal birth weights.
A new study suggests that narcolepsy patients are more likely to be overweight due to lower metabolism and changes in eating behavior. The study found that narcoleptic patients had lower body mass index (BMI) scores than healthy controls, indicating a positive energy balance.
Professor Glenn Gaesser analyzes peer-reviewed research, debunking the notion that high-carb diets lead to weight gain. He finds that people consuming high-carb diets tend to be slimmer and healthier than those on low-carb diets. Gaesser attributes this to a higher quality of diet, including more fiber-rich foods.
Researchers found that 50% of overweight, hypertensive adults achieved normal body weight and blood pressure after six months of treatment with a reduced-calorie diet. This suggests that blood pressure may be secondary to body weight rather than essential hypertension in these patients.
A brain system known to regulate food intake also controls fat storage and metabolism in the body completely independently of food consumption. The melanocortin system may be used to develop new medications to treat human obesity.
A six-year study involving 3,885 participants found no significant changes in memory function among overweight and obese individuals. In contrast, those who were underweight experienced more cognitive decline over time. The study suggests that being overweight or obese in old age may not be a risk factor for memory problems.
A study by USC researchers found that a storyline on ER about teen obesity and healthy eating habits positively impacted viewers' attitudes and behaviors, with men showing the strongest effects. The study highlights the potential of entertainment television as a medium for health communication.
A recent study published in World Journal of Gastroenterology found a significant association between GERD and obesity in women, but not men. The researchers suggest that estrogen may play a role in this correlation.
Research reveals that UK 11-year-olds are not physically active enough, with less than 3% meeting recommended daily exercise levels. The study, which monitored over 5,500 children in the South West of England, found that boys were more active than girls and that sustained activity was crucial for promoting cardiorespiratory fitness.
A meta-analysis of 21 studies found that being moderately overweight increases heart disease risk by 32%, while obesity raises it by 81%. Excess weight is linked to increased blood pressure and cholesterol levels, accounting for 45% of the increased risk.
The university's Task Force for Obesity Research will tackle key molecular pathways, develop new approaches to prevent obesity and treat associated metabolic complications. Researchers will use data from the Dallas Heart Study and provide interdisciplinary training for postdoctoral fellows.
Researchers found that mice with a disrupted enzyme involved in protein metabolism became slimmer despite eating more food, showing improved glucose and insulin tolerance. The study suggests a new potential weight-loss therapy by manipulating protein turnover through pharmacological means.