The causes of gender dysphoria are not yet fully understood. A personâs biological sex is determined by two chromosomes â one from the mother, and one from the father.5 Early in pregnancy, all fetuses are female because the X chromosome (which is inherited from the mother) is the only active chromosome.
Paralytic shellfish poisoning (PSP) is one of the four recognized syndromes of shellfish poisoning, which share some common features and are primarily associated with bivalve mollusks (such as mussels, clams, oysters and scallops).he toxins responsible for most shellfish poisonings are water-insoluble, heat and acid-stable, and ordinary cooking methods do not eliminate the toxins. The principal toxin responsible for PSP is saxitoxin.
Ciguatera fish poisoning is an illness caused by eating tropical reef fish that have accumulated a poison called ciguatoxin. Ciguatoxin is produced by microscopic organisms that grow on the surface of marine algae, seaweed, or coral.The poison gets into plant-eating fish when they feed on the algae or seaweed.hat are the symptoms of ciguatera fish poisoning? 1  numbness, tingling, or a burning sensation around mouth, hands, or feet; 2  joint or muscle pains with weakness or cramps; 3  vomiting, diarrhea, chills, itching, headache, sweating, and dizziness;