Say goodbye to microplastics.Credit: Food & Wine / Getty Images / AmazonIt’s time to toss that scratched-up plastic cutting board. According to a recent study, these scuff marks are filled with microplastics that can leach into your food and lead to potential health problems. To stay on the safe side, opt for a wooden cutting board instead. No matter which expert you ask — from celebrity chefs to Food & Wine editors — they’ll tell you that the b…