Research on body mass index and health risk. Covers BMI and mortality, weight loss and survival, waist size, and abdominal fat.
A recent study by researchers at the University of California, Davis, found that gamers using thin avatars showed increased physical activity compared to those using obese avatars. The study replicated previous findings on both male and female participants.
A study of BMI trends in England from 1992 to 2013 found that median BMI is not increasing as much as thought, but the top end of the scale is experiencing significant increases across all social groups and sexes. Researchers highlight the growing issue of obesity among the most obese individuals, costing billions to the NHS annually.
Researchers found that sub-clinical gut microbiota imbalances occur before T2D symptoms develop, suggesting a potential new way to diagnose the condition early. The study's findings also highlighted the importance of tracking changes in gut microbiota over time and across different stages of disease development.
A new study published in the International Journal of Obesity suggests that 34.4 million Americans considered overweight by BMI are actually healthy, and 19.8 million who are considered obese are also healthy. The research reveals that BMI mislabels millions of individuals as unhealthy, while overlooking those with 'healthy' BMIs who a...
A new study published in the International Journal of Obesity found that close to half of Americans who are considered
An association between declining weight and an increased risk of mild cognitive impairment (MCI) has been found, particularly among those who experience greater weight loss per decade from midlife to late life. The study suggests that this decline in weight may serve as a marker for MCI and help identify individuals at increased risk.
A recent study at Children's Hospital Los Angeles found that standard Body Mass Index (BMI) is insufficient for measuring changes in body composition in children with leukemia. The researchers discovered a correlation between increases in body fat and losses of lean muscle mass during treatment.
Research published in Diabetologia found that women with one sleep disorder have a 47% increased risk of developing type 2 diabetes. The risk increases to four times for those with multiple sleep disorders. The study highlights the importance of good sleeping patterns for preventing diabetes.
A study published in JAMA Pediatrics found that NYC's 'water jet' machines, which provide chilled and oxygenated water, were associated with lower student weights and reduced half-pint milk purchases. The intervention increased access to drinking water in school cafeterias and was linked to a 0.025 reduction in standardized BMI.
A Swedish study of 1.5 million military conscripts found that high body mass index (BMI) and low aerobic capacity in late adolescence were associated with an increased risk of hypertension in adulthood. The combination of high BMI and low aerobic capacity was linked to a higher risk of hypertension, even among those with normal BMI.
A study by Cornell Food & Brand Lab found that diners ordering from heavier wait staff were four times more likely to order dessert and 17% more alcohol. The research suggests that a waiter's weight can play a significant role in influencing diner behavior, particularly when it comes to indulging in treats.
A QUT study published in PLOS ONE found that moderate intensity light exposure earlier in the day is associated with increased body mass index (BMI) in preschool children. The research also discovered that children who received more total light exposure at age 3 had higher BMI 12 months later.
Researchers found a correlation between low-income neighborhoods and high BMI in Lausanne, Switzerland. The study suggests that urban environment plays a role in obesity, independent of common factors.
Harvard experts advocate for banning models with low BMI (below 18) from fashion shows and photo shoots to prevent life-threatening starvation and associated health problems. The authors argue that such regulations would be necessary given the prevalence of extreme thinness in the industry.
Psychologists have determined the amount of weight required to make a difference in facial adiposity perception. Women need to lose about twice as much as men to be considered more attractive. A change in BMI of approximately 1.33 kg/m2 is required for noticeable changes.
New research involving over 450,000 Swedish women found that mothers who gained a moderate amount of weight between their first and second pregnancies increased the risk of their baby dying in its first year of life. Weight loss before pregnancy also reduced the likelihood of neonatal death in babies of overweight women.
Obese children show increased brain activity in areas linked to impulsivity and obsessive-compulsive disorder when exposed to food smells. In contrast, normal-weight children exhibit brain connections between taste processing and reward anticipation.
A new study found that over 18 million women in low- and middle-income countries are severely undernourished, with poor women and those with limited education being disproportionately affected. The prevalence of severe adult undernutrition has remained steady or increased in most countries over the past two decades.
Children exposed to high levels of PFOA during pregnancy experience rapid body fat gain and higher body fat by age 8 compared to those with lower exposure. The study found a significant association between prenatal PFOA levels and childhood adiposity, raising concerns about potential effects on type 2 diabetes.
A study published in Annals of Internal Medicine found that normal-weight individuals with central obesity have twice the mortality risk as those who are overweight or obese. Researchers examined data from over 15,000 participants and concluded that lifestyle modification strategies may be crucial for this population.
A Cornell University study suggests that diet and physical activity are key factors in managing weight, rather than eliminating specific foods like junk food. The research found that intake of soda, candy, and fast food is not linked to Body Mass Index (BMI) for most adults, except those at the extreme ends of the BMI spectrum.
Chronic short sleep duration of 6 hours or less increases the risk of developing type 2 diabetes in middle-aged and older women. Increasing sleep duration by 2 hours or more also associated with a modest increased risk of diabetes, even after adjusting for other factors such as diet and physical activity.
A study by NIH researchers found that a specific variation in the BDNF gene may contribute to obesity, particularly in African Americans and Hispanics. The study suggests that boosting BDNF protein levels could offer a therapeutic strategy for those with the genetic variation.
A new study by Yale School of Medicine researchers found that high post-pregnancy body mass index (BMI) is a significant risk factor for pelvic organ prolapse. Maintaining a healthy weight after delivery may play an important role in preventing early stages of prolapse, according to the research.
A QUT study of 48 pre-schoolers found moderate intensity light exposure earlier in the day was associated with increased BMI, while physical activity was not linked to body mass. The research suggests that artificial lighting contributes to global increases in childhood obesity.
Researchers found that individuals reporting weight discrimination had a 60% greater chance of dying over the follow-up period. The study accounted for other factors and found that weight discrimination is associated with an increased risk of mortality, not just those who are overweight.
The study found a lower rate of blood transfusions in overweight and obese patients undergoing hip and knee replacement surgery compared to those with normal weight. Researchers also discovered no correlation between BMI and post-surgical complications such as blood clots and heart attacks.
A new study finds that going to bed late during adolescence is associated with an increase in body mass index over time. Researchers analyzed data from over 3,000 participants and found a significant link between later bedtimes and higher BMI. The study highlights the importance of adolescent bedtime habits in weight management.
A new study from the University of California, Berkeley found that teenagers who go to bed late on weeknights are more likely to gain weight than their peers who hit the hay earlier. For every hour of sleep lost, participants gained 2.1 points on the BMI index over a five-year period.
A study of 60,058 heterosexual men and women found that height and body mass index do not strongly predict the number of sex partners. Short men reported fewer partners, while men in middle BMI ranges had more extensive sexual histories. Underweight women also had few partners due to health issues or low motivation.
A new study published in Surgery for Obesity and Related Diseases found that laparoscopic sleeve gastrectomy resulted in significant weight loss in obese pediatric patients with Prader-Willi Syndrome. The surgery showed no apparent negative impact on growth, offering a promising treatment option for these patients.
A review of medical literature found that metformin use was associated with a small increase in height in children and adolescents with higher cumulative doses. However, the results were not significant for those with lower doses, indicating a potential need for longer-term studies to confirm these findings.
A low-cost automated program of personalized mobile phone text messages supporting lifestyle change led to improvements in LDL-C levels, blood pressure, body mass index, and smoking status in patients with coronary heart disease. The intervention resulted in a lower percentage of smokers and increased physical activity among participants.
A study of nearly 10,000 people from 14 European countries found a strong correlation between genes that increase height and those that produce reduced body mass index. This discovery could help explain why people from northern Europe are often taller and slimmer than others.
A large study of middle-aged Koreans reveals that both sedentary behavior and reduced physical activity contribute to the prevalence of NAFLD. The findings support increasing physical activity and reducing sitting time as crucial in reducing the risk of NAFLD.
A genetic study by University of Queensland researchers found a strong correlation between genes that result in greater height and those that reduce body mass index. The study, published in Nature Genetics, suggests that genetic variation may play a role in creating national differences in disorders such as dementia and heart disease.
A high body mass index (BMI) is linked to a lower risk of rheumatoid arthritis (RA) in men, but not women, according to a Swedish study. The association was strongest in men with increased abdominal obesity or visceral fat.
Researchers found that nearly 50% of Asian Americans with diabetes remain undiagnosed, with the highest prevalence in Hispanic Americans at nearly 23%. The study highlights the need for increased education and testing efforts among this population.
Research found higher levels of inflammatory markers in young adults living in polluted cities, indicating a greater risk of heart attack. Long-term air pollution exposure was linked to increased levels of CRP, hsCRP, homocysteine, and fibrinogen.
A large study of over 13,000 pairs of sisters found that firstborn women are significantly more likely to be overweight or obese than their second-born sisters. The researchers also noted a link between shrinking family size and an increase in adult body mass index (BMI) globally.
Research suggests that ALS patients consume more daily calories but have a lower body-mass index (BMI) than those without the disease. Higher premorbid intake of total fat, saturated fat, trans-fatty acids, and cholesterol is associated with an increased risk of ALS, while higher alcohol intake is linked to a decreased risk.
A recent study from Saint Louis University found that over 90% of hospital physicians fail to identify or address weight issues in children. Despite the importance of BMI calculations and universal screening, only a small percentage of physicians documented weight concerns or took action to address them.
A new study published in JAMA Surgery found that gastric bypass surgery can alter how the body metabolizes alcohol, leading to higher and more rapid blood-alcohol levels. Women who underwent the surgery experienced changes similar to those seen in men, with a significant increase in blood-alcohol content after consuming just two drinks.
Replacing time spent sitting with standing can lower blood sugar and cholesterol levels, according to a new study. Standing for two hours a day was associated with improved waist circumference and reduced risk of metabolic disorders.
A study by Northwestern University found that new fathers experience significant weight gain, averaging 3.5 to 4.5 pounds, which can lead to increased risks of heart disease, diabetes, and cancer. Pediatricians are in a unique position to counsel dads on maintaining their health due to the lack of personal physicians among new fathers.
Saint Louis University research finds that a woman's weight during her first pregnancy can affect complications in her second baby. Women who were underweight or obese during their first pregnancy had increased risks of early birth, low birth weight, and other complications.
A new study by Cornell's Food & Brand Lab analyzed 50 years of New York Times food stories to predict a country's obesity level in three years. The study found that countries with more mentions of sweet snacks tend to be fatter, while those with more vegetable and fruit mentions are skinnier.
A recent study reveals that eating habits play a crucial role in the weight gain of overweight children. The researchers found that children who are triggered by food and eat when they are full tend to have a steeper BMI curve. In contrast, physical activity and TV viewing do not explain why some children's BMI increases more than others.
Fitness levels among US schoolchildren sharply decline as students get older, with girls experiencing a continual decline in aerobic capacity. The study suggests room for improvement in both BMI and aerobic capacity, highlighting the importance of physical activity in healthy youth development.
A nationwide sample of 1st through 12th graders showed less than 60% meeting healthy fitness standards for aerobic capacity and body mass index. The middle school years are critical when aerobic capacity declines and body mass index increases, emphasizing the need for early intervention to prevent declining physical activity.
Researchers found that obese adults have a heightened ability to imagine odors, particularly food and non-food smells, which may promote food cravings. This study's findings suggest the need for individualized approaches to identify factors contributing to weight gain.
Patients with a low to healthy body weight had an average survival time of two-and-a-half months less than overweight and obese patients. The study suggests that there may be a relationship between having a lower BMI and poor treatment tolerance, putting thinner patients at risk for poor outcomes.
A pooled analysis of patients with metastatic colorectal cancer (mCRC) treated with bevacizumab found that those with the lowest body mass index (BMI) had significantly shorter overall survival compared to other BMI categories. Progression-free survival was similar across all subgroups.
A comparative study of 9 European countries found that married couples have a higher body mass index than singles, with differences attributed to changes in eating behaviors. However, the study also shows that married couples tend to eat healthier, with increased consumption of regional and organic products.
Research suggests that light-intensity exercise can lead to improved health outcomes, including lower BMI and reduced chronic disease risk, for individuals over age 65. Engaging in 5 hours of light physical activity per week appears to provide similar benefits as moderate exercise.
A systematic review found that combining lifestyle changes with metformin improves weight loss, lower BMI, and improved menstruation in PCOS women. Lifestyle modification is the first step in managing PCOS, while metformin provides additional benefits for improving BMI and menstrual cycles.
A new study found that individuals with earlier exposure to moderate light had lower body mass index (BMI) and percent body fat. The study, published in the journal Sleep, suggests changes in environmental light exposure may impact body weight regulation.
A study published in the American Journal of Physical Medicine & Rehabilitation found that standard BMI assessments tend to underestimate obesity in adolescents with physical disabilities. The researchers suggest new cutoff points are needed for identifying disabled teens who may need diagnosis and treatment.
Research found a strong association between road traffic noise and increased waist size and waist:hip ratio, even after controlling for socioeconomic factors. The study also suggested that cumulative exposure to multiple sources of noise pollution may pose the greatest risk.
Research published in Gut journal found that being very overweight in teens doubles the risk of developing bowel cancer by middle age. High levels of systemic inflammation, measured by erythrocyte sedimentation rate (ESR), also increase the risk of bowel cancer in later life.