The calories and added sugar in chocolate can cause weight gain.
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According to the Gourmet Healthy Chocolates website, about 1 billion people eat chocolate every day with the average American consuming 12 pounds of chocolate over a year's time. In moderation, chocolate actually offers some health benefits. Cocoa, especially dark chocolate, contains important antioxidants that help your body fight free radicals. Consuming too much of this delicious treat, however, can result in suffering from side effects that aren't so pleasant.
Weight Gain and Diabetes
Calorie King reports that one 15-ounce Hershey's Milk Chocolate Bar contains 210 calories with 117 calories from fat. On top of that, the dessert has 24 grams of sugar. Not only will excess consumption of this chocolate lead to weight gain, but it can also raise a person's blood sugar levels, which can be dangerous for individuals diagnosed with diabetes.
Anxiety and Irregular Heartbeats
One of the ingredients in chocolate is caffeine. Caffeine provides a boost of energy and a positive effect on one's mood, but in excess doses can result in increased anxiety. Too much caffeine can also lead to irregular heartbeats in anyone suffering from a heart condition.
Chocolate in large amounts can lead to a variety of gastrointestinal issues. If you suffer from irritable bowel syndrome or diarrhea, too much chocolate can make them worse. On top of that, chocolate is acidic, and acidic foods increase the acid in your stomach. Acidic foods lead to acid reflux issues, bouts of heartburn and inflamed stomach ulcers. Of course, when you eat too much of any food, you're also susceptible to vomiting as your body tries to remedy the situation.
Chocolate contains a high amount of the toxic metal cadmium. Consumer Labs tested chocolate in 2017 and found that almost every brand contained more than the World Health Organization's recommendation of not more than 0.3 mcg of cadmium per gram. In fact, some contained several times this amount. A person's kidneys, especially those showing disease, may have trouble ridding the body of this toxin after consuming too much of it.
Although extremely unlikely, it is possible to suffer an overdose on the theobromine that chocolate contains. Popular Science reports that the average human being would need to eat either 7,084 Hershey Kisses or 332 regular Hershey Dark Chocolate Bars for this overdose to happen. The online magazine does point out that a person would begin feeling nauseated long before reaching the overdose stage, creating more than enough reason to stop eating the chocolate.