Worried about the parasite outbreak? A GI doctor recommends these 4 fiber-rich produce swaps

Buying fruits and vegetables with a thick peel can help prevent exposure to the parasites currently causing an outbreak of digestive issues. Oscar Wong/Getty Images A parasite that causes diarrhea is spreading across 34 states, sickening more than 1,000 people. Health experts say the culprit is likely produce such as lettuce or berries, and washing doesn't help. A doctor said she's stocking up on safer sources of fiber and nutrients like kiwis and avocados. If you want to avoid explosive,…