1 paroxysmal Pertaining to or marked by paroxysm; caused by paroxysms or convulsions of nature. 2  paroxysmal Specifically In geology: Relating to or produced by a violent convulsion of nature.
Inorganic lead compounds are Group 2A - Probably carcinogenic to humans. American Conference for Governmental Industrial Hygienists (ACGIH): A3 - Confirmed animal carcinogen. Teratogenicity / Embryotoxicity: DEVELOPMENTAL HAZARD. May harm the unborn child. Known to cause: learning disabilities, effects on behaviour.
These substances, such as mercury, lead, thallium, arsenic, cadmium, bismuth, antimony or like substances frequently disrupt immune function, neurological function and endocrine function. Common effects of heavy metal toxicity are. 1  Fatigue. 2  Brain fog. 3  Attention deficit. 4  Concentration problems. 5  Anxiety. 6  Sepression.