April 23, 2014,
By Matthew Mientka
A new study on twins shows the importance of early intervention as America’s childhood obesity rate continues to rise after doubling during the past 30 years, with more than one-third of children overweight and obese.
By comparing data collected on more than 2,500 pairs of twins with genomic analysis, researchers from King’s College London and the University of California, Los Angeles (UCLA), got a pretty good look at the interplay between nature and nurture. They found the influence of genetics on individual differences in body mass index (BMI) rose from 43 percent at age 4 to 82 percent by age 10, suggesting parents and clinicians might intervene with improved diet and lifestyle choices at earlier ages — when the time is ripe. Continue reading
March 18, 2014,
By Kim Painter
A diet full of fried foods isn’t good for anyone, but it may result in more weight gain for people at a high genetic risk of obesity, a new study suggests.
The study, published in the journal BMJ, is the latest evidence that life isn’t fair when it comes to navigating a world of french fries, soda, and comfy sofas — because some people are genetically predisposed to become fatter than others indulging in the same bad habits.
It’s a “groundbreaking concept” that could lead to more individualized prescriptions for weight control, says lead author Lu Qi, an assistant professor of nutrition at the Harvard School of Public Health. Continue reading