According to a recently published paper in the journal Obesity Research & Clinical Practice, data on tens of thousands of people showed that in the past 10 years the same amount of diet and psychical exercise did not lead to the same results they did twenty years ago.
For instance, a participant in 2006 reported a higher body mass index than an adult of the same age in the late 1980s, though they had similar diets and level of psychical exercise. Researchers said that people in their 20s now need to exercise more and eat less than their parents if they want to stay fit.
“Ultimately, maintaining a healthy body weight is now more challenging than ever,”
said study lead author Jennifer Kuk of York University.
Moreover, the research team found that in 2008, people on a similar diet were 10 percent heavier than those in the 1970s even though both groups were on a similar diet. In 2006, people who displayed the same amount of psychical activity as those in 1988 were five percent heavier that the folks a generation ago.
Kuk explained that weight control shouldn’t rely on a calorie-in-calorie-out plan. Seeing things that way is very similar to saying that an investment account balance is the result of deposits minus withdrawals, overlooking other losses such as bank fees and fluctuations on stock exchanges.
But in weight control we tend to overlook other factors that make us fat. Kuk acknowledged that her statements are just theoretical, but they provide a plausible explanation to why weight control seems to be so much harder today than it was during our parents’ days.
Kuk believes that both our lifestyle and the environment we live in makes weight management a more challenging task. For instance, we do not get enough sleep to stay healthy and slim. A Gallup poll showed that 40 percent of adult Americans sleep less than seven hours at night. And, dozens of studies showed that sleep deprivation often leads to overeating and weight problems on the long run.
Additionally, studies showed that Americans and those living in the Western world are 20 percent more stressed than their peers living in the 1990s. We are also more exposed to chemical pollution than our parents were. These substances impact our endocrine system and metabolism. As a result, the body often works against us when it processes food and stores fat.
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