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While somewhat less sinister, added sugar can also wreak major damage on a diet.Technically low in calories, high-quantities of sugar disrupts our metabolisms, causing surges in insulin and energy levels and ultimately contributing to weight gain and diabetes.These different classifications are determined by body mass index (BMI), or a measure of body fat based on your height and weight.
To understand the true size of the American obesity epidemic, we first need to understand what it really means to be overweight.
Generally, doctors and nutritionists classify people as either underweight, healthy weight, overweight, or obese.
As for what is driving America's chronic weight problem, there are no definite answers. Department of Agriculture (USDA) reports that the average American ate almost 20% more calories in the year 2000 than they did in 1983, thanks, in part, to a boom in meat consumption.
Scientific studies often reach conflicting conclusions, meaning many theories are out there, but the preponderance of evidence points to the two causes most people already suspect: too much food and too little exercise. Today, each American puts away an average of 195lbs of meat every year, compared to just 138lbs in the 1950's.
It's no wonder we're looking for fast food and fast weight loss options, we spend more time at work and less time in our homes and kitchens than our parents did.
Sometimes you only have time to pack a leftover pizza slice and a slim-fast for lunch, irony be damned.
Another study demonstrates the full effect added sugars from soda and energy drinks are wreaking havoc on American waistlines. obesity epidemic is obviously major, but it's also complex.
So it is not just how much we eat, but what we eat. Consumers are sent wildly mixed messages when it comes to what to eat and how much.
Americans walk less than people in any other industrialized country, preferring to sit in cars to get around.
And at the end of the day, 80% of Americans don't get enough exercise, according to the CDC.