Summer is a big season for food poisoning. All of those backyard parties and picnics can lead to some pretty questionable food handling habits. One in six Americans — about 48 million people — will deal with some type of foodborne illness this year, according to the Food and Drug Administration (FDA). That means you’ve ingested bacteria, viruses or parasites that can really do a number on your body. But how do you distinguish funky food from a safe snack, and how do you know it’s not some other ailment? Food poisoning symptoms According to the Mayo Clinic, your food poisoning symptoms will differ depending on what your food was contaminated with, as well as your age. Very young or elderly people, pregnant women and those with weaker immune systems or chronic diseases face a high risk in contracting a foodborne illness, but food poisoning can affect anyone. Here are some…