3. Blood Disorders. Blood disorders such as hemophilia and leukemia can cause unexplained bruising, often because your blood fails to clot properly. If you have severe and frequent unexplained bruising, it's a good idea to see a physician to rule out such disorders, especially if it seemed to come on suddenly.
Puffer fish contain the potent neurotoxin tetrodotoxin. TTX is thought to be synthesized by a bacterial or dinoflagellate species associated with the puffer fish. The toxin is concentrated in the liver, gonads, and skin. The level of toxicity is seasonal, and, in Japan, fugu is served only from October through March.
Swainsonine, one of a group of indolizidine alkaloids found in the poisonous milk vetches and locoweeds, is the principle. toxin responsible for causing reproductive problems in animals that eat them [6]. The alkaloid affects almost all organs. because it inhibits normal cellular energy metabolism.