What theart does flatworms cause to human?

Answer 1

Flatworms are typically asymptomatic. This can prevent the tapeworm ever being detected until it eventually dies and is passed out of the body through the stool. Occasionally human hosts experience nausea or abdominal cramps when infected with flatworms. A roundworm infection can cause more serious symptoms such as headaches and severe pain, depending on the worm's location within the body. In severe cases, roundworms have been known to cause blindness or paralysis.