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Body Mass Index

July 24, 2013 | By Mary MacVean
Discriminating against someone for being fat isn't real helpful. That's something scientists have already documented for issues like depression. But a new study says it also seems to make people gain weight. “Rather than motivating individuals to lose weight, weight discrimination increases risk for obesity,” the researchers wrote  in an article released Wednesday in the journal PLOS One. It seems logical that calling someone names  - or worse - for being fat would discourage them from taking part in gym class or other physical activities, and that happens, the researchers said.
April 8, 2012 | By Amina Khan, Los Angeles Times
Pregnant women might now have one more good reason to watch their diet and exercise: A new study links autism and developmental delays in young children to metabolic conditions, like obesity and diabetes, in their mothers. The findings, published in Monday's edition of the journal Pediatrics, found that women who had diabetes or hypertension or were obese were 1.61 times as likely as healthy women to have children with autism spectrum disorders. They also were 2.35 times as likely to have children with developmental delays.
May 3, 2011 | By Thomas H. Maugh II, Los Angeles Times
Packing on even a few extra pounds in midlife can increase the risk of developing dementia, such as Alzheimer's disease, by 70% or more, Swedish researchers reported Monday. Earlier studies had shown an increased risk from being obese, but the new research reported in the journal Neurology is the first to show that simply being overweight is enough to increase the risk. "Our results contribute to the growing evidence that controlling body weight or losing weight in middle age could reduce your risk of dementia," co-author Dr. Weili Xu of the Karolinska Institutet in Stockholm said in a statement.
September 6, 2011 | By Jeannine Stein, Los Angeles Times / For the Booster Shots blog
Being obese might up the chance of developing Type 2 diabetes, but the true risk factors may lie in how much overweight someone is and how long they've been that way. Much like figuring how numbers of cigarettes smoked and years of smoking relate to lung cancer risk, researchers set out to see how degree and length of obesity factored into the risk of getting Type 2 diabetes. They looked at data on 8,157 teens and young adults who were 14 to 21 years old at the start of a national study.
June 4, 2013 | By Mary MacVean
It's no surprise that someone who has never smoked, who eats a Mediterranean diet and keeps a normal weight and who exercises regularly is healthy. How healthy? Chances of death from all causes is reduced by 80% over eight years. Pretty healthy. Those four healthy behaviors also protected against heart disease and the buildup of calcium deposits in the arteries, the researchers said. Those are the results of a multiyear study of more than 6,000 people led by Johns Hopkins University researchers and published online Monday in the American Journal of Epidemiology.
May 20, 2013 | By Geoffrey Mohan
Having childhood attention deficit hyperactivity disorder could lead to a life of obesity, even if ADHD symptoms disappear in adulthood, a new study shows. The study, which followed up on 207 middle-class men who had been diagnosed with ADHD as children, found that some 33 years after their diagnosis, their body mass index was significantly higher than those without ADHD. Their propensity to become obese was twice that of adults who were never diagnosed with ADHD, according to the study published Monday in the journal Pediatrics.
January 7, 2013 | By Karin Klein
To combat a growing problem with anorexia and bulimia, a new law in Israel bans fashion models who are considered unhealthily thin and requires the labeling of photos that are digitally altered to make the models look thinner. Unhealthily thin is defined as a body-mass index lower than 18.5. An example being tossed around is that a woman 5 feet 8 inches tall who weighs 120 pounds would be considered, well, not quite kosher for the cameras. That's a long way from zaftig, but certainly an improvement over the bony waifs that have too long been held up as icons of beauty.
October 7, 2010
About 18% of youths 12 to 19 are obese, as well as 20% of children 6 to 11 and 10% of those 2 to 5 years old. These Centers for Disease Control and Prevention figures date to 2008, but all indications are that those numbers are on the rise. How do you know whether your child is obese? You can't tell just by looking. One of the tools a doctor will use is a BMI growth chart that compares your child's body mass index, or BMI, calculated from his or her weight and height, with others of the same sex and age. Children who fall in the 85th to 95th BMI percentiles (meaning 85% to 95% of children have a lower BMI)
May 9, 2011 | By Jeannine Stein, Los Angeles Times / For the Booster Shots blog
As little as one hour of low-intensity exercise a week could reduce the risk of colon polyps among people of various racial and ethnic groups, a study finds. The study, presented recently at the Digestive Disease Week meeting in Chicago, analyzed data on 982 patients who underwent colonoscopies. Polyps were found in 29.5% of the study subjects. Patients who hadn't exercised at least one hour a week had a polyp prevalence of 33.2%, while the prevalence rate among those who did exercise one hour or more was 25.3%.
March 4, 2011 | By Mary Forgione, Tribune Health
When a nearly 600-pound man who boldly promoted food at a restaurant called the Heart Attack Grill dies, one of the first reactions is likely to be ... , well, not one of surprise. But then comes the news that Blair River might have died of pneumonia. Hold on. Don't order up that 8,000-calorie burger just yet. Note that there is a potential link between obesity and pneumonia. "After accounting for factors such as lifestyle and education, moderately obese men -- those with a body mass index between 30 and 34.9 -- had a 40% greater risk of pneumonia compared with those of normal weight (BMI of less than 24.9)
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