Like heart trouble. I found this once in a nurse who had suffered with all kinds of heart trouble and went to doctors for years, whenever she had these heart spells. I said to her You should have gone to the vet. I said, Because you have heart worms. She took her herbs and never had any more trouble.
Parasites can cause and colitis involvement.
Liver damage and liver trouble can often be caused by worms. Sometimes a colony of worms will crawl up in the gall bladder and give you trouble. This can be the trouble with overweight people. The worms are being well fed. The body is only getting the water and the calories but a fraction of the nutrients.