Arsenic
Toxic substance
Arsenic is a naturally occurring element found in some rocks and soil. It's highly toxic and can be very bad for your health if you're exposed to it.
Source: ATSDR (Agency for Toxic Substances and Disease Registry)
Arsenic is highly toxic and can cause serious health problems, including cancer, if ingested or inhaled in large amounts.
r/todayilearned
TIL 19-year-old Matilda Scheurer, a Victorian-era factory worker, died after regular exposure to Scheele's Green, a popular arsenic-based dye used in various common items at the time. She died after allegedly vomiting green, while the whites of her eyes and her fingernails turned green.
Pharmacokinetics, efficacy, and safety of arsenic formulations in acute promyelocytic leukemia treatment.
Marvin-Peek J, Jen WY, Ravandi F
2026
Read on PubMedLast updated: May 16, 2026