Articles tagged with Obesity
A new study by University of California Riverside researchers found that high-fat diets affect not only obesity and colon cancer but also the immune system, brain function, and potentially COVID-19 risk. The study, which analyzed genetic changes in mice fed different types of fat, showed that polyunsaturated fatty acids in soybean oil ...
High adolescent BMI significantly increases the risk of developing early chronic kidney disease in young adulthood, according to a recent study published in JAMA Pediatrics. Researchers emphasize the need for preventive measures and management of risk factors associated with CKD in adolescents with elevated BMI.
Researchers found that Angelica gigas extract improves vascular function in high-fat diet rats, reversing endothelial dysfunction and increasing NO bioavailability. The extract regulates IRE1α sulfonation and RIDD signaling, promoting NO production via the SIRT1-eNOS axis.
The researchers designed a capsule about the size of a multivitamin, powered by a small battery, which vibrates to activate mechanoreceptors in the stomach. This activation stimulates hormone release patterns similar to those following a meal, reducing food intake and slowing weight gain by 40 percent.
Researchers at Brigham and Women's Hospital have developed a pill-size device called VIBE that creates the sensation of fullness by stimulating vagal nerve receptors when it comes into contact with gastric fluid. The device reduced food intake by an average of 31% in swine, and its effects were sustained for 30 minutes.
A study of 25 obese Chinese individuals reveals that intermittent energy restriction (IER) alters the gut microbiome and brain activity, leading to significant weight loss and reductions in obesity-related comorbidities. The changes are coupled over time, suggesting a complex relationship between the gut microbiome and brain.
A recent study published in Nature reveals that mitochondrial dysfunction disrupts dietary lipid processing in enterocytes, leading to abnormal fat accumulation and impaired nutrient delivery. The findings provide new insights into the gastrointestinal symptoms of mitochondrial disease and may lead to novel therapeutic approaches.
Flori Corpodean, a postdoctoral researcher at Pennington Biomedical, has been selected as the sole recipient of the 2024 Resident Research Award. She is exploring how the brain and intestinal tract communicate through her research on altered nutrient delivery.
Research by Dr Janina Steinmetz found that people are more likely to see others as having good self-control if they blame a lack of money rather than time for abandoning New Year's resolutions. Studies involving around 1,200 participants showed that excusing financial constraints leads to better perceptions of self-control.
Research suggests that childhood sedentariness contributes to elevated cholesterol levels and premature heart attack or stroke in mid-life. Engaging in light physical activity for 3-4 hours/day may be effective in reducing high cholesterol.
The study found that people who are only slightly overweight, with a BMI of 25-30, and those with mild obesity, have the highest costs for healthcare services. This is because these individuals represent a larger proportion of the population than obese individuals, who have a higher risk of disease but lower costs.
A new study published in the Journal of Health Communication found that news sites, especially UK and US sources, continue to use stigmatizing images when reporting on obesity. The research highlights the need for news media to be mindful of the images included in health news articles.
A new poll found that 83% of older adults believe health insurers should cover medications to help people with obesity manage their weight. Nearly as many, 76%, also believe Medicare should cover these drugs, which are currently not covered under law.
A Northwestern University study found that nearly two-thirds of patients discontinue or change their medication within a year, highlighting the need for better understanding of barriers to treatment adherence. The high discontinuation rate for GLP-1 RAs may be due to gastrointestinal side effects.
Researchers found that switching fruit flies to a low-calorie diet extends their lifespan, even in old age. This study suggests that obese humans may benefit from reducing calorie intake in old age, as it can dramatically change their metabolisms and extend their lives.
A phase 3 trial found that tirzepatide promotes additional weight loss and preserves metabolic health when continued, but discontinuation leads to significant weight regain. Researchers suggest chronic treatment may be necessary for sustained weight loss and improved cardiometabolic risk factors.
Continued treatment with tirzepatide maintained and augmented initial weight reduction in adults with obesity. Withdrawing tirzepatide led to substantial regain of lost weight in a randomized clinical trial involving 670 participants.
A large cohort of adolescents found high BMI in late adolescence is associated with early CKD in young adulthood. High-normal BMI and severe obesity also increased the risk of developing CKD.
A plant-based diet has been shown to reduce the risk of type 2 diabetes by 24%, with benefits attributed to improved metabolism and liver function. Additionally, healthy eating patterns were found to improve organ function, particularly in individuals with genetic predispositions or other risk factors.
A new study found no increased risk of major congenital malformations in infants exposed to second-line non-insulin antidiabetic medications during pregnancy compared to those treated with insulin. The study examined over 3.5 million pregnancies and provided reassurance on the safety of these medications for fetuses.
Researchers at Monash University have discovered how anti-obesity drugs like Ozempic interact with the RAGE receptor to control kidney damage in diabetes. This finding opens up new therapeutic drug targets for preventing kidney disease in people with diabetes.
Researchers at Weill Cornell Medicine discovered a genetic variant in the GIP receptor that may help individuals resist obesity. The variant enhances insulin release and glucose metabolism, allowing mice with the variant to process sugar more efficiently and stay leaner.
A Cleveland Clinic study found that only 19% of participants continued to use anti-obesity medications one year after their initial prescriptions. Participants who received more effective medications and experienced greater weight loss at six months were more likely to continue treatment.
Research suggests that anti-obesity medications can lower the risk of premature death in people with knee or hip osteoarthritis, particularly those who experience a slow-to-moderate rate of weight loss. Studies show a 28% lower risk of death for these individuals compared to those with no weight loss.
Research suggests visfatin stimulates membrane raft clustering, leading to NLRP3 inflammasome activation and podocyte injury. The study highlights the role of membrane raft redox signaling in visfatin-induced inflammation and kidney damage.
Research found that being overweight hampers the body's immune response to SARS-CoV-2 infection, leading to reduced antibody levels and activity. However, vaccination offered protection against COVID-19. The study suggests personalized recommendations for overweight individuals to ensure better COVID-19 management.
A study by researchers from Osaka University found that HSP47, a collagen-specific molecular chaperone, is significantly expressed in fat tissue and correlates with body fat levels. High or low HSP47 expression was linked to high or low body fat levels in both humans and mice.
A study at the University of Bonn found that primary school children are more likely to choose unhealthy snacks when buying with friends or classmates. Conversely, they opted for healthier choices when purchasing alone. This highlights the importance of understanding how social factors influence children's purchasing decisions.
A Concordia University study found that Canadians of all sizes hold negative attitudes towards individuals with overweight and obesity, often internalizing these feelings and blaming their own behavior. The study also showed that females are more likely to report weight bias internalization than males.
Researchers transplanted gut microbes from a naturally obesity-resistant shrew to high-fat-diet-induced obese mice, improving microbiome diversity. This approach resulted in decreased weight gain in the obese mice, suggesting potential therapeutic benefits for human obesity.
A new study from the University of Wisconsin-Madison suggests that reducing isoleucine intake can extend lifespan and improve health outcomes. Mice on a low-isoleucine diet lived 33% longer and showed better health markers than those on a balanced diet.
A simulation study suggests that a soft drink tax in Germany would reduce sugar consumption and illness rates, including type 2 diabetes, resulting in significant financial savings. The estimated economic benefits of introducing such a tax range from 9.5 billion to 16 billion euros over the next two decades.
A study by the Keck School of Medicine of USC found that liver cancer risk increases with each successive generation of Mexican Americans, particularly among men. The research analyzed data from over 30,000 participants and found third-generation Mexicans to be 66% more likely to develop liver cancer than first-generation individuals.
A study of over 20,000 middle-aged US adults found lower income status linked to increased hypertension risk. Higher-income adults faced rising rates of diabetes and obesity. Targeted public health initiatives are needed to address growing cardiovascular mortality among middle-aged adults.
Researchers from Karolinska Institutet found a weaker association between adolescent physical fitness and later cardiovascular disease risk. High BMI remained a strong individual risk factor for cardiovascular disease in late adolescence.
Researchers discovered that individuals with obesity expel more energy at night compared to those with a healthy weight. During the day, people with obesity have higher insulin levels, indicating their body is working harder to process glucose.
A new study funded by Cancer Research UK reveals that smoking tobacco causes 20.8 million years of life loss each year, with four preventable risk factors contributing to over 30 million years of life lost annually. The study suggests that action on a global scale could save millions of lives from preventable cancers.
Researchers aim to optimize digital weight-loss programs for rural populations by adding human components, such as weekly group video sessions and individual coaching calls. The goal is to help residents manage their weight and fight the obesity epidemic in areas with limited access to in-person programs.
A 20% reduction in major adverse cardiovascular events has been observed for patients with obesity but no history of diabetes taking semaglutide. This study marks a significant milestone, demonstrating the cardiovascular benefits of semaglutide beyond its weight loss effects.
Researchers found that people with overweight or obesity who took semaglutide for over 3 years had a 20% lower risk of heart attack, stroke, or death from cardiovascular disease. The study showed significant weight loss and improved cardiovascular outcomes in adults without diabetes.
A recent clinical trial found that semaglutide significantly reduced cardiovascular events in adults with overweight or obesity who do not have diabetes. The medication was shown to lower the risk of death from cardiovascular causes, nonfatal heart attacks, and strokes by 20% compared to placebo.
Researchers from Helmholtz Munich discovered that GIP decreases body weight by interacting with specific inhibitory neurons in the brain, offering a revolutionary approach to patients worldwide. The study reveals the underlying molecular mechanisms of GIPR:GLP-1R co-agonists and their potential as next-generation anti-obesity drugs.
The OBCT Project aims to identify the causes of obesity and design guidelines to tackle the problem. The study will analyze data from millions of individuals across Europe and map 'obesogenic environments' that promote weight gain or prevent weight loss.
Researchers found that a high-sugar diet causes insulin resistance in the brain, reducing its ability to remove neuronal debris and increasing the risk of neurodegenerative diseases. This study provides insight into how obesity-inducing diets contribute to disease risk.
The American Gastroenterological Association suggests a balanced approach when treating patients on GLP-1 RAs undergoing endoscopic procedures. AGA recommends proceeding with the procedure as planned for patients who followed standard pre-procedure fasting instructions and do not have symptoms suggesting retained gastric contents.
Researchers at Johns Hopkins Medicine found that people with high body mass indexes (BMIs) do not pose a significant risk for postoperative complications following chest masculinization surgery. Despite this, BMI was still used to determine eligibility for the procedure in many cases.
A recent study has found that transgender adults living in rural areas of the US are more likely to have cardiovascular disease risk factors such as tobacco use, obesity, and high blood pressure. The research highlights the need for targeted interventions to reduce health disparities among this population.
A study found that physicians who presented treatments for obesity as good news and an opportunity were more successful in helping patients lose weight. Patients who received counseling with a positive and optimistic tone had significantly higher weight loss outcomes compared to those who received neutral or negative advice.
A recent meta-analysis found that women in low- and middle-income countries are disproportionately affected by obesity, with risks ranging from 2-3 times higher than men. This disparity is most pronounced in the Sub-Saharan region, where women are up to 10 times more likely to have obesity.
A recent study published in Nutrients found that daily strawberry consumption can improve cognitive performance and reduce depressive symptoms in middle-aged adults. The research, led by Professor Robert Krikorian, suggests that strawberries contain antioxidants and micronutrients that may help mitigate the risk of dementia.
A new study from Tulane University found that frequent salt consumption is associated with a higher risk of developing Type 2 diabetes. The study surveyed over 400,000 adults and found participants who regularly added salt had a 13% to 39% increased risk of developing the disease compared to those who never or rarely used salt.
Researchers found that as cats gained weight, their gastrointestinal transit time decreased, reducing nutrient extraction. The study also revealed changes in gut microbial composition, with an increase in Bifidobacterium and a decrease in Collinsella, opposite to what has been seen in overweight humans.
Researchers found an epigenetic signature in cheek cells of obese twins that differs from their thinner siblings, suggesting a susceptibility to obesity may be written into molecular processes. The discovery could lead to a simple cheek swab test for an obesity biomarker and enable earlier prevention methods.
Researchers at University of British Columbia find a direct link between high insulin levels and pancreatic cancer, highlighting the importance of keeping insulin levels within a healthy range. The study suggests that excessive insulin overstimulates pancreatic acinar cells, leading to inflammation and precancerous cell development.
A collaborative project led by UTHSC researcher Dr. Liza Makowski is exploring the complex interplay between obesity, the immune system, and cancer. The team aims to identify biomarkers that may provide therapeutic guidance for obese patients with specific types of cancers.
A recent scientific publication found that sterilized dogs of different sizes exhibit varying levels of obesity, with small breeds at highest risk and giant breeds at lowest. The study also discovered that the optimal time for spaying/neutering differs by breed size, with young large breeds facing a higher risk of obesity.
A new UK study finds that people with eating disorders are 2.11 times more likely to report physical multimorbidity. Anxiety, insomnia, and perceived stress are key influencers in this relationship.
A phase 3 clinical trial demonstrated tirzepatide's effectiveness in achieving an additional 21.1% weight loss after intensive lifestyle intervention in adults with obesity or overweight comorbidities. Participants who received tirzepatide achieved a total mean weight loss of 26.6%, compared to 3.8% for those on placebo.
A recent clinical study at the University of Leipzig Medical Center found that ultrasound scans of the liver and kidneys were significantly lower in quality in obese patients. Modern probes with matrix technology improve image quality by achieving greater penetration depth into tissue.
Buck Institute researchers discover that advanced glycation end products (AGEs) in processed foods increase hunger and test willpower, contributing to overeating and obesity. By understanding the biochemical signaling pathway behind AGEs, scientists may develop strategies to limit their accumulation and promote healthy eating.