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.
Lead is a neurotoxin. It is much more dangerous for children than adults because it affects kidsâ developing brains and nervous systems. The younger the child, the more harm lead can cause. Lead can cause serious health effects: 1  kidney problems. 2  anemia. 3  hearing loss. 4  developmental delay, or losing earlier skills.