Under normal circumstances, as long as it is dead, it is very easy to deteriorate and breed harmful bacteria in the object. If you are in poor health, eating these "dead things" can easily lead to food poisoning.

Because crabs are rich in cholesterol and high protein, eating too much will cause diarrhea and stomachache, and some people with metabolic diseases will induce diseases such as pancreatitis. Patients with hyperlipidemia, hyperglycemia and gout, people with poor gastrointestinal function and people with deficiency-cold constitution should eat less crabs.

Extended data:

Crabs feed on animal carcasses or humus, and their body surface, gills and gastrointestinal tract are covered with various bacteria and sludge. You must steam crabs before eating them. And crabs must not be eaten when they are dead.

People who are allergic to crabs, or people with urticaria, allergic asthma and allergic dermatitis, especially children, the elderly and pregnant women with allergies, are advised not to eat crabs; People who are allergic to seafood are most likely allergic to crabs. If you can't resist the temptation, try a little first. If allergic reaction occurs, stop eating immediately.

People's Daily Online-Crab died in the refrigerator for two weeks. I can't bear to throw them at the ladies. Eating dead crabs almost killed me.