Popcorn is a low-calorie, fiber-rich snack made from whole grains and, when prepared correctly, can be part of a healthy diet. Despite concerns, microwave popcorn does not cause cancer, as harmful PFOA chemicals were removed from packaging in 2016, ensuring it is safe to consume. Popcorn is a low-calorie, fiber-rich snack made from whole grains and, when prepared correctly, can be part of a healthy diet. Despite concerns, microwave popcorn does not cause cancer, as harmful PFOA chemicals were removed from packaging in 2016, ensuring it is safe to consume. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle