16. Microwave Popcorn
You must be wondering how much harm popcorn can cause. It is, after all, an easy snack that can enhance a movie viewing experience. However, what you probably do not know is that popcorn has high levels of unhealthy fats, excessive sodium content and are often found to be full of carcinogens that can cause a number of health disorders like thyroid diseases, ADHD and even cancer.