Side Effect Soda Has on Your Metabolism

We're all familiar with the fact that soda isn't so great for our health. This fast-food favorite drink has been linked to a higher risk of obesity and numerous other health issues. 

But weight gain from knocking back too many sweet, fizzy drinks doesn't necessarily come down only to excess calories from sugar. In part, it may also have to do with how soda's affect your metabolism

You might (quite reasonably!) expect that caffeinated sodas would speed up your metabolism. It's true that caffeine is a stimulant that increases metabolic rate

Theoretically, sodas that pack a punch could boost your resting energy expenditure. Unfortunately, though, that's not the primary effect most sodas have on metabolism.

Here's where it gets interesting, though: Studies suggest that not all sugars are created equal when it comes to disrupting metabolism. Fructose, the sugar often used in soda recipes

A 2012 study showed that people who drank fructose-sweetened beverages significantly decreased the number of baseline calories they burned daily. 

When fructose goes through your digestive system, it ends up in your liver, where it gets converted to fat. This raises your triglyceride levels. Both weight gain from too many calories

In soda and high triglycerides from too much fructose are hallmarks of metabolic syndrome. This cluster of metabolic symptoms puts you at greater risk of heart disease, diabetes, and stroke.

In fact, some health experts have tied the rise of the obesity epidemic to a dramatic increase in soda consumption (and possibly the increase in fructose consumption). Whereas in the 1800s

And early 1900s, the average American took in about 15 grams of fructose (mostly from fruits and vegetables), a 2008 study pegged the current number at 55 grams per day, 

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