Chewing gum releases hundreds of microplastics into saliva, which can accumulate in the body and potentially cause chronic diseases. Both natural and synthetic gums release similar amounts of microplastics. To minimize ingestion, chew the same piece of gum longer and discard it properly. Chewing gum releases hundreds of microplastics into saliva, which can accumulate in the body and potentially cause chronic diseases. Both natural and synthetic gums release similar amounts of microplastics. To minimize ingestion, chew the same piece of gum longer and discard it properly. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle