Skip to content 
Food brings families together. Whether it’s a homemade dinner, a weekend barbecue, fresh seafood by the beach, or a colorful salad prepared with garden vegetables, eating is one of life’s greatest pleasures. Most of us rarely stop to think about what might be hiding in the foods we enjoy every day.
Fortunately, modern food safety standards have made our food supply safer than ever before. However, doctors and public health experts continue to remind consumers that certain foods can occasionally carry parasites if they are not sourced, handled, or prepared properly.
That doesn’t mean you should stop eating these foods.
Instead, understanding the risks—and learning how to reduce them—can help you continue enjoying your favorite meals safely.
Parasites are living organisms that survive by living on or inside another organism. While the word itself sounds frightening, infections caused by foodborne parasites are relatively uncommon in many developed countries because of strict food safety regulations, inspection programs, and improved farming practices.
Even so, they can still occur.
Knowing where the risks exist is one of the best ways to protect yourself and your family.
1. Raw or Undercooked Fish
Sushi, sashimi, poke bowls, smoked fish, and ceviche have become incredibly popular around the world. These dishes can be perfectly safe when prepared correctly by trained professionals using fish that has been handled according to food safety guidelines.
However, certain species of raw or undercooked fish can sometimes contain parasites such as Anisakis worms or fish tapeworms.
If contaminated fish is eaten without proper freezing or cooking, the parasites may survive and potentially cause digestive problems.
Symptoms can include:
Stomach pain
Nausea
Vomiting
Digestive discomfort
In rare cases, allergic reactions
Fortunately, reputable restaurants and seafood suppliers follow strict regulations. Fish intended for raw consumption is often frozen at temperatures specifically designed to destroy parasites before serving.
If you’re preparing raw fish at home, purchasing seafood from trusted suppliers is essential.
2. Undercooked Pork
Years ago, pork had a reputation for carrying parasites, particularly Trichinella, which causes trichinellosis.
Thanks to improved farming methods, better animal feed, and routine inspections, the risk is now much lower in many countries than it was decades ago.
Still, health experts recommend cooking pork thoroughly because parasites can occasionally still be found, particularly in wild or non-commercially raised animals.
Using a meat thermometer is far more reliable than judging by color alone.
Proper cooking temperatures help eliminate not only parasites but also harmful bacteria that may be present.
Safe food preparation remains one of the easiest and most effective ways to reduce the risk of foodborne illness.
3. Wild Game Meat
Many hunters and outdoor enthusiasts enjoy venison, wild boar, elk, and other game meats.
Unlike livestock raised on commercial farms, wild animals naturally encounter many different environmental conditions.
Because of this, wild game may occasionally carry parasites that are destroyed only through proper cooking.
Experts recommend:
Cooking game meat thoroughly.
Wearing gloves while handling raw meat.
Cleaning knives and cutting boards immediately after use.
Preventing raw meat from touching foods that are ready to eat.
These simple precautions dramatically reduce potential risks.