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.
Introduction. Other marine organisms have been found to store TTX and include the Australian blue-ringed octopus (Hapaloclaena maculosa, uses TTX as a toxin for capturing prey), parrotfish, triggerfish, goby, angelfish, cod, boxfish (Ostracion spp. single milligram or less of TTX-an amount that can be placed on the head of a pin, is enough to kill an adult. Stages of TTX Intoxication and TTX Toxicity The first symptom of intoxication is a slight numbness of the lips and tongue, appearing between 20 minutes to three hours after eating poisonous pufferfish.