Articles tagged with Obesity
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Research found that poor sleep quality is associated with less muscle strength and mass, more body fat, anxiety, and depression in obese older people. The study emphasizes the importance of addressing sleep quality to prevent negative health outcomes in this population.
Research suggests that high-dose dietary prebiotics can reduce reward-related brain activation in response to high-calorie food stimuli. The study found a shift in the composition of the gut bacteria, which may underlie the altered brain response towards high-calorie food cues.
Researchers discovered five types of macrophages in fat tissue, with one subtype promoting inflammation and another quelling it. The findings challenge the long-held assumption that pro-inflammatory macrophages are solely responsible for obesity-related inflammation.
Research reveals that low muscle mass is associated with a two-fold risk of death from cardiovascular disease in individuals with diabetes. The study found that body composition, not just weight loss, plays a crucial role in managing weight in people with diabetes.
A UCLA-led team has discovered the nerve supply that activates brown adipose tissue, a potential key to treating obesity. The study found nerve branches in all eight cadavers dissected, which may lead to using nerves to stimulate BAT activity for weight loss.
A study published in Diabetes Care found that obesity, hypertension, and dyslipidemia alter cardiac energy production by interfering with metabolic substrate uptake. The research reveals early changes in apparently healthy middle-aged individuals, highlighting the importance of identifying mechanisms involved in heart disease onset.
Studies show that people with metabolically healthy obesity (MHO) have a 50% increased risk of coronary heart disease, despite not exhibiting metabolic complications. This raises questions about the validity of the MHO concept.
A new study published in Nature Communications found that global sugary drink consumption increased by at least 16% since 1990, with the highest intakes observed in Latin America and Sub-Saharan Africa. The study also reveals significant regional differences and correlations between sugary drink intake and socio-economic status.
A new study published in Exp. Mol. Med. has identified Thrap3 as a key player in exacerbating non-alcoholic fatty liver disease (NAFLD) by inhibiting AMPK, a crucial regulator of fat metabolism. Inhibiting Thrap3 expression presents a promising avenue for treating NAFLD.
Researchers discovered that in obesity, low-density lipoprotein (LDL) does not function normally, increasing the risk of cardiovascular disease. However, after bariatric surgery, LDL quality improves and correlates with weight loss, suggesting a lower risk of CVD.
A worldwide audit of testosterone deficiency in men with type 2 diabetes found that testosterone replacement therapy improves glycaemic control for up to 2 years. The study suggests that the ongoing effect of testosterone on insulin resistance and fat reduction contributes to the improvement in blood sugar levels.
Researchers at the University of Birmingham found that individuals with fatty liver disease are three times more likely to have a personality disorder than those without. Lifestyle modifications, such as changes in diet and exercise, can prevent disease progression but often fail to be implemented due to mental health factors.
A new study found that only about 3% of adults in England with overweight or obesity were referred to publicly funded weight management programs. The study also showed large regional differences in access to these programs, with some areas having much higher rates of referral.
A new study suggests that obese women experience an increase in menopause symptom prevalence and lower efficacy of hormone therapy. Women with obesity are more likely to self-identify as Black, report hot flashes, genitourinary symptoms, mood disturbances, and decreased libido.
A new study published in the New England Journal of Medicine found that semaglutide significantly improves symptoms and physical limitations associated with heart failure. Patients who received the medication lost an average of 11% of their body weight and showed improved walking distances, compared to those on a placebo.
A study published in The Journal of Physiology found that exercise suppresses hunger by acting on hormones and metabolites. Researchers suggest that understanding these mechanisms could lead to new treatments for obesity.
A new exercise-mimicking drug, SLU-PP-332, has shown promising results in obese mice, leading to weight loss and increased muscle activity without increasing physical activity. The drug works by boosting a natural metabolic pathway, making the body act like it is training for a marathon, resulting in faster metabolism of fat.
A study found that 80.3% of patients with metastatic breast cancer who received standard care treatment with alpelisib developed hyperglycemia, with 40.2% experiencing serious hyperglycemia. Lifestyle interventions and medication may help improve blood sugar levels and reduce the risk of needing to discontinue the drug.
A new meta-analysis of 22 clinical trials found that tirzepatide is more effective than semaglutide in controlling blood sugar levels and promoting weight loss. The study showed that higher doses of tirzepatide resulted in greater reductions in HbA1c levels and body weight compared to semaglutide.
Researchers at Helmholtz Munich discovered how exercise influences muscle function, immune cells, and metabolism in conditions like obesity and type 2 diabetes. They found that regulatory T cells play a critical role in controlling muscle function and regeneration.
Researchers found a 55% reduction in lymphoma risk and a 40% overall reduction in blood cancer risk among bariatric surgery patients. Women with high blood sugar at the start of the study benefited most from the surgery.
A new model for producing human brown fat cells in vitro has been developed, providing a potential solution for treating obesity and type 2 diabetes. The researchers identified key cellular signaling cues that lead to brown adipocyte formation and successfully reproduced this process in human pluripotent stem cells.
A study by the University of Gothenburg reveals that obesity significantly worsens life expectancy and mortality risks in individuals with bipolar disorders. The findings show a rapid increase in BMI among those with bipolar disorders, leading to a higher risk of premature death and comorbidity.
Despite recent advances in obesity research, governments struggle to curb rising rates, with experts identifying key unanswered questions about the causes of obesity. The intricacies of body weight regulation, energy demand sensing, and environmental factors are still unclear, highlighting the need for continued research.
Researchers found that almond-supplemented diets resulted in significant weight loss and improved cardiometabolic outcomes. The study demonstrated the benefits of nuts as part of a balanced weight loss diet, with almonds providing unsaturated fats that can improve blood cholesterol levels and contribute to a healthy heart.
A randomized controlled trial found that high-protein and normal-protein diets were both effective in improving glucose control, weight loss, and body composition in adults with Type 2 diabetes. The study suggests that individuals can choose a dietary pattern that suits their preferences while still achieving significant health benefits.
A nationwide study from Karolinska Institutet in Sweden found that close relatives and partners of people with metabolic-associated fatty liver disease (MASLD) are at a higher risk of developing liver cancer and severe liver disease. This suggests that family members could benefit from the same lifestyle advice as patients with MASLD.
A groundbreaking study by UNIST researchers reveals that high levels of endotrophin in fat cells disrupt autophagy, leading to inflammation and insulin resistance. Inhibiting ATG7 protein function or neutralizing endotrophin shows promise as a potential treatment for obesity-related metabolic diseases.
Researchers found that bariatric surgery leads to an increase in caries and periodontitis, as well as alterations in salivary inflammatory markers. The study's findings emphasize the importance of dental assessment for patients undergoing bariatric surgery.
A new $1.9 million NIH grant will investigate the role of glycogen in supporting healthy pregnancies. The study aims to understand how glycogen storage in the uterus affects fertility and pregnancy loss, with a focus on obesity's impact on uterine glycogen metabolism.
A recent study found a three-fold increase in obesity-related heart disease deaths in the US between 1999 and 2020. The study highlights racial disparities, particularly among Black women, who faced the highest rates of obesity-related cardiovascular mortality.
A new opinion piece highlights the safety gap in clinical trials and drug labeling for people with obesity, arguing that correct dosing instructions should be included on labels. The authors recommend a three-pronged approach to address this gap, including conducting studies in people with obesity before market approval.
Researchers at State University of Campinas found that coconut oil supplementation led to significant alterations in food intake, weight gain, and anxious behavior in mice. The study suggests that long-term consumption of coconut oil can contribute to the development of obesity and associated comorbidities.
A new study has found that higher levels of inflammation in patients with obesity undergoing bariatric surgery predict poorer weight loss. The research suggests that personalised interventions targeting inflammation could improve physical and mental health outcomes after surgery.
Researchers have identified a cluster of neurons in the hypothalamus called GABRA5 that regulates energy expenditure. Astrocytes control this cluster, producing tonic GABA that inhibits it, leading to weight gain.
Researchers discovered a gut bacteria that helps reduce insulin resistance and protect against diabetes. The study found that a specific bacteria, Alistipes indistinctus, consumed excess monosaccharides in the gut, lowering blood sugar levels and reducing insulin resistance.
Researchers found that individuals with higher body mass indexes have impaired connections between the hippocampus and hypothalamus, leading to an inability to control eating habits. The study suggests that targeting this brain circuit may lead to new treatments for obesity and related disordered eating conditions.
Researchers developed a liver-targeting drug that reversed obesity and lowered cholesterol in obese mice by delivering the drug via nanogel. The treatment, which was administered intraperitoneally, effectively normalized weight and reduced cholesterol levels despite continued high-fat diet consumption.
Women who maintained a stable weight were 1.2 to 2 times more likely to achieve exceptional longevity compared to those who lost 5% or more, with a 51% lower survival rate at age 90. Stable weight is associated with increased longevity in older women.
A new study from the University of Copenhagen reveals that GDF15 improves insulin sensitivity in rodents, particularly in their liver and fatty tissue. This finding raises interesting perspectives for treating type 2 diabetes and high blood pressure, as increased insulin sensitivity is a critical indicator of health.
A National Institutes of Health-supported study suggests that adults with obesity may benefit from extracorporeal membrane oxygenation (ECMO) when in intensive care for respiratory failure. The study found lower mortality rates among patients with obesity who received ECMO compared to those without, contradicting previous concerns.
The study reveals that obesity-induced oxidative stress degrades CtBP2 protein, impairing pancreatic beta-cell function. This finding highlights the importance of targeting CtBP2 as a potential therapeutic strategy for obesity-related diseases.
A new study presented at ESC Congress 2023 found that semaglutide improved heart failure-related symptoms, physical function, and exercise function in patients with heart failure with preserved ejection fraction (HFpEF) and obesity. The treatment also resulted in greater weight loss compared to placebo.
Researchers found that telomere shortening, a biomarker of cellular aging, accelerated in untreated obstructive sleep apnea patients. However, continuous positive airway pressure (CPAP) attenuated this damage. The study suggests that CPAP can reduce inflammation and oxidative stress, leading to slower aging.
A recent study by Pennington Biomedical Research Center identifies GDF15 as a protein that acts as a cellular signal to enhance insulin secretion. High-intensity exercise training in patients with type 2 diabetes was found to have elevated levels of GDF15, associated with improved glycemic control.
A new study projects nearly 1 billion people will be living with osteoarthritis, the most common form of arthritis, by 2050. Currently, 15% of individuals aged 30 and older experience osteoarthritis, with obesity being a major risk factor.
Scientists have identified a molecule that regulates nerve cell sensors, which could lead to new therapeutics for obesity, osteoporosis, and inflammatory diseases. The molecule can be modified into peptide-based therapeutics to boost the activity of channels involved in bone strength and satiety.
A new study reveals that being divorced is associated with a two-thirds higher risk of lower limb amputation (LLA) in individuals with diabetes compared to those who are married. Additionally, men have a 57% higher risk of LLA than women. The study also found that obesity has a less-than-half the risk of LLA for people with normal weight.
A new study from Lund University in Sweden found that the biggest metabolic changes following gastric bypass surgery occurred immediately after the procedure. However, one year later, the concentration of metabolites and fats had returned to nearly pre-surgery levels.
Researchers found that liraglutide improves associative learning in people with obesity by restoring brain activity to normal-weight levels. The study showed that participants with obesity had reduced ability to associate sensory stimuli and decreased brain activity compared to those with normal weight.
Scientists have discovered a potential new treatment approach for non-alcoholic fatty liver disease by targeting a receptor called Adgrf1. Overexpressing Adgrf1 improved insulin sensitivity and reduced lipid accumulation in liver cells, suggesting its role in fat metabolism.
A recent study at UC Irvine found that semaglutide medication can lead to significant weight loss and reduce cardiovascular risk in 93 million U.S. adults. The medication may prevent up to 1.5 million heart attacks and strokes over 10 years, resulting in 43 million fewer obese people.
A new study from Tulane University found that Black adults are 54% more likely to die of cardiovascular disease than White Americans, largely due to social factors. The study's lead author suggests that addressing unemployment, low income, and lack of a partner can help reduce this disparity.
A new study found that intensive lifestyle intervention, including weekly counseling on diet and exercise, is associated with increased employment among people with type 2 diabetes. Study participants without a college degree had even larger employment gains from lifestyle changes recommended by specialists.
The study of 18.4 million patients indicates a low annual probability of 5% or greater weight loss, but a higher likelihood of BMI reduction to the healthy weight category, especially among those with high initial BMIs.
Researchers found that the hypothalamus, a key region controlling appetite, is larger in individuals who are overweight or obese compared to those with a healthy weight. The study suggests that increased volume may be linked to inflammation and altered hormone regulation.
Researchers at the University of South Australia found that chatbots significantly improved physical activity, diet and sleep. Chatbots were effective across different age groups and more conducive to achieving positive outcomes than speech-based AI. A blended approach with human coaching may be the most beneficial.
A study by Osaka Metropolitan University reveals that Mallotus furetianus extract suppresses body weight gain and fat accumulation in obesity model mice. The findings suggest a link between the plant's extract and antiobesity effects, indicating its potential as a new food ingredient.
A University of Minnesota-led study found that long-term consumption of aspartame and saccharin is associated with increased volumes of visceral, intermuscular, and subcutaneous adipose tissue. The researchers recommend considering alternative approaches to artificial sweeteners due to potential health consequences.
Researchers identified five genes influencing BMI in women and two in men, with faulty variants of three genes linked to higher BMI in women. Age-specific factors also emerged, with genes OBSCN and MADD associated with childhood body size and fat.