Research on body mass index and health risk. Covers BMI and mortality, weight loss and survival, waist size, and abdominal fat.
Researchers found black patients with chronic pain were less likely to have their weight or BMI recorded, despite being at higher risk for obesity. Obesity contributes to greater disability and poorer functioning over and above the impact of pain level.
The QResearch database has released a new report on public health indicators, including obesity, smoking, and cholesterol levels in over four million patients. The study finds that smoking rates are highest in deprived areas and that obesity levels continue to rise in the North and Wales.
A substudy of the Physician's Health Study found that overweight men with high plasma concentrations of C-peptide, a protein reflecting insulin secretion, had significantly higher prostate-cancer mortality rates. Men with both high C-peptide and BMI prior to diagnosis had a four times higher risk of disease-specific mortality.
A study by Duke researchers found that obese girls aged 9-13 who read an age-appropriate novel experienced a significant decrease in their BMI scores. The novel, Lake Rescue, included healthy lifestyle guidance and positive messages, leading to a -0.71% decrease in BMI compared to a control group.
The study found that increasing age, BMI, and concomitant diseases are predictors of gallstone disease in males and females. Pain in the right hypocondrium or epigastrium is the only symptom associated with GD, and symptom severity increases as a function of the natural history of the disease.
A new study from Université de Montréal and McGill University found that kids surrounded by overweight peers or parents are more likely to underestimate their own weight. The study analyzed over 3,600 children and adolescents, finding that only 1.6% of kids perceived themselves as having excess weight.
A study of 704 Amish adults found that those with low physical activity levels had a stronger association between FTO gene variants and increased BMI. Physical activity levels above average were shown to offset the genetic predisposition to obesity, suggesting personalized lifestyle recommendations may be effective in preventing weight...
A study by University of Maryland researchers found that high physical activity levels can blunt the effect of the FTO gene variant, which is linked to increased risk of obesity. The study analyzed genes and lifestyle of Old Order Amish individuals, finding no association between the gene and body weight in highly active participants.
A US study found that nearly half of all US adults and two-thirds of obese adults will develop symptomatic knee osteoarthritis by age 85. Maintaining a normal weight reduces the risk, according to researchers from the University of North Carolina.
Research found obesity in older people increases mobility problems and everyday task difficulties, but doesn't significantly impact mortality rates. The study highlights the need for healthcare professionals to advise older adults on weight management and encourage physical activity to reduce disability burden.
Research suggests that obese adolescents who experience peer victimization are more likely to struggle with depression and negative feelings about their physical appearance. Non-obese adolescents who face peer victimization also report decreased self-esteem and increased negative body image over time.
A study of 325 obese patients found they benefited from knee replacements, with improved mobility scores compared to a comparison group. The research suggests that obese patients can undergo the procedure without increased risk, making it unjustified to deny them the surgery.
The study found that the gestation-adjusted projection method (GAP) produced impressive results, accurately predicting birth weights in over 90% of cases. The GAP method uses ultrasound measurements and a mathematical formula to determine whether the baby is larger than average size for its gestational age.
Research by Dr. A Ghiyath Shayeb found that obese men had lower semen volumes and higher proportions of abnormal sperm. Men with a healthy BMI, however, had better semen quality. The study suggests that achieving an ideal body weight before trying for a baby can improve fertility outcomes.
A study of 70 singleton babies born after preimplantation genetic diagnosis and screening found no adverse effects on early growth and risk of congenital malformations. The procedure did not impact singletons' growth or medical outcomes, according to lead researcher Professor Maryse Bonduelle.
A new study by The Endocrine Society found that moderate fitness levels lower the risk of death in diabetic men, reducing mortality by 40-50% over seven years. Fitness levels were categorized as low, moderate, and high based on peak metabolic rate achieved during exercise.
A large European study found that smoking, obesity, and occupational noise are risk factors for age-related hearing loss. In contrast, moderate alcohol consumption was seen to have a protective effect. The study involved 4083 participants and confirmed the importance of avoiding excessive noise exposure.
Researchers found that patients who gained weight over time had lower mortality rates, suggesting that a reasonable amount of weight gain may be a sign of adequate insulin control. The study also found no significant difference in mortality between those with an overweight or normal BMI and those with an underweight BMI.
Researchers at the University of Guelph found that first-year college students gained an average of 5.29 pounds, not 15 pounds, over six months. The study also highlights the importance of educating employees on food safety measures to reduce the risk of foodborne illness in restaurants.
A study found that vein access in the upper leg does not reduce infection risk compared to neck vein access, except for patients with higher weights. Hematoma formation was significantly higher for jugular catheters.
According to a study published in JAMA, the prevalence of obese children and teens in the US did not increase significantly between 1999-2006. The authors found that high BMI rates varied by age and racial/ethnic group, with certain groups having higher rates than others.
Men who are overweight or obese are more likely to need a hip replacement for osteoarthritis. Research reveals that being overweight is a significant risk factor for hip osteoarthritis in men but not women.
Patients undergoing laparoscopic fundoplication have low re-operation rates and high patient satisfaction rates, with most achieving near normal GERD-HRQL scores at long-term follow-up. BMI appears to be an important factor in predicting long-term outcomes for these patients.
A review of 62 studies found that physical activity significantly reduces breast cancer risk in lean women, particularly those who engage in moderate and vigorous exercise after menopause. Obesity and family history of breast cancer counteract these benefits.
A study published in Arthritis Care & Research reveals that obese patients undergoing revision total hip arthroplasty (THA) are at a higher risk of complications, including surgical site infections and dislocations. The research found a strong correlation between obesity and adverse events after revision THA.
A new study reveals that obesity can exacerbate asthma symptoms by increasing dynamic hyperinflation, making it harder for individuals to breathe. The research found significant differences in lung function between obese and non-obese asthmatic women, highlighting the need for more targeted treatment approaches.
A new study reveals that highly educated women weigh less than less educated women in wealthier countries due to rapidly growing obesity rates. In contrast, better-educated women in poorer countries tend to weigh more, as they exit under-nutrition and adjust their diet.
A study of 900 Vancouver-area teenagers found that physical activity and healthy eating are not strongly linked, contradicting established assumptions. Boys reported more physical activity but a less-healthy diet than girls, while individuals with lower BMI values were no more likely to be physically active.
Studies found obese breast cancer patients have poorer disease-free and overall survival rates compared to non-obese counterparts. Obesity also affects diagnostic characteristics, including stage at diagnosis, surgical delay, and hospital stay.
A new study found that female college freshmen who lived on campus consumed significantly more calories and sugar than their off-campus counterparts. However, the on-campus students also engaged in higher levels of physical activity, with an average of 90,000 steps per week compared to 42,000 for off-campus students.
Researchers found that genetic effects on obesity vary by age and may be missed in replication studies if not accounted for. The study identified a specific gene variant associated with childhood obesity, but its influence diminishes after age 45.
A new study published in the Journal of the American Dietetic Association found that children drinking flavored or plain milk had significantly higher intakes of essential nutrients like vitamin A, calcium, and phosphorus. The study also showed comparable or lower body mass indexes among milk drinkers compared to non-milk drinkers.
A Yale study reveals weight bias is as common as racial discrimination, with women experiencing twice the risk of men, and affecting workplace and interpersonal interactions. The study documents self-reported weight discrimination and compares it to experiences of racial and gender-based discrimination among adults.
A new study reveals that people with a normal body mass index (BMI) but high body fat percentage are at risk for metabolic disturbances and heart disease. The researchers found that these individuals had altered blood lipid profiles, high leptin levels, and higher rates of metabolic syndrome.
A study of 707 morbidly obese adult patients undergoing gastric bypass surgery found that those with two genetic obesity variations had significantly higher BMIs. The presence of these genetic variants may overcome the effects of bariatric surgery, highlighting their potential as susceptibility genes for postoperative weight gain.
Children who gain weight rapidly after tonsil surgery may experience relapse or worsening of snoring, according to new research. African-American children are more likely to relapse, highlighting the need for long-term follow-up and monitoring of BMI gain.
Researchers found a positive association between maternal and paternal BMI and offspring fat mass, but the effect of maternal BMI was weaker. The study suggests that interventions improving diet and physical activity levels could slow or halt the obesity epidemic.
A study found that restricting children's video time by using a device reduced their BMI significantly over two years. The intervention group showed a steady decline in BMI, while the control group showed an increase followed by a decline.
A two-year study found that reducing screen time by 50% in children aged 4-7 with high BMI reduced their TV viewing, calorie intake, and physical activity levels. The monitoring device gave children control over their screen time, eliminating parental vigilance.
Middle-aged women's waistlines have widened in recent years, increasing their stroke risk. The study found that obesity and blood sugar markers are key contributors to this trend, highlighting the need for obesity-curbing efforts.
A meta-analysis of 221 datasets found that a 5kg/m2 increase in BMI raises the risk of oesophageal adenocarcinoma, thyroid cancer, colon and kidney cancers in men, and endometrial, gallbladder, and oesophageal adenocarcinoma in women. The study also found stronger associations between increased BMI and colon cancer in men.
Researchers found a strong correlation between climate and genetic variations influencing metabolic syndrome risk, with some genes associated with cold tolerance having protective effects while others increase disease risk. Climate adaptations may have played a role in the emergence of metabolic disorders.
Research at Columbia University's Mailman School of Public Health found that desire to weigh less was more predictive of unhealthy days than BMI, particularly among Whites and women. The study suggests social constructs surrounding ideal body types contribute to the obesity epidemic.
A randomized controlled trial suggests that combining lifestyle intervention with metformin is the most effective treatment for antipsychotic-induced weight gain. Participants who received this combination therapy experienced significant reductions in body mass index, waist circumference, and insulin resistance. In contrast, those who ...
Teen girls who frequently eat meals with their families are less likely to use extreme measures to control their weight. Regular family meals may offer protective benefits for adolescent girls, reducing the risk of disordered eating behaviors.
A study found that teen girls who perceive themselves as lower on the social ladder are more likely to gain weight over time. The research suggests that low school subjective social status may contribute to increases in BMI among adolescent girls.
Research found that obese individuals are less likely to use seatbelts due to discomfort, leading to increased risk of injury or death in car accidents. The study suggests promoting awareness about seatbelt extender availability and designing more comfortable seatbelts for overweight individuals.
A recent study has uncovered a link between genetic variation and extreme body mass, suggesting that synonymous SNPs may affect mRNA splicing. The findings imply that subtle changes in genes involved in metabolism could lead to visible phenotypes later in life.
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 found that obese women's chances of spontaneous pregnancy are reduced by up to 43%, even if they ovulate normally and have no obvious infertility reasons. The study suggests that obesity may disrupt hormone levels, including leptin, which regulates appetite and energy expenditure.
A study found a long-term positive impact on physical functioning in patients with osteoarthritis who underwent hip replacement, but no significant improvement in vitality or mental health. Patients with more severe OA showed the most improvement in physical functioning.
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.
The study found that using a pedometer with a daily step goal significantly increases physical activity by 26.9% and decreases body mass index and systolic blood pressure. Participants also experienced significant reductions in weight and improved health outcomes.
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.
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.
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.
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.
Researchers found that breastfed babies had a lower average body mass index (BMI) and higher high-density lipoprotein (HDL or 'good' cholesterol) levels in adulthood. These protective factors against cardiovascular disease were observed even after accounting for personal and maternal demographic risk factors.
A new analysis from Northwestern University found that consistently high levels of physical activity in young adulthood can stabilize body mass index (BMI) over 20 years. Participants who reported at least 30 minutes of vigorous activity a day gained 14 pounds less over 20 years than those with low activity levels.
A new study found that early BMI rebound age is associated with adverse cardiovascular risk factors and may signal potential heart disease risk as early as age 7. The study of 308 children showed that earlier BMI rebound age correlates with a greater likelihood to become obese adults, particularly girls.