How is Jimson Weed poisonous?

Jimson weed, or Datura stramonium, is poisonous primarily due to its alkaloids, such as atropine, scopolamine, and hyoscyamine. These compounds can disrupt the nervous system, leading to symptoms like hallucinations, delirium, tachycardia, and potentially life-threatening respiratory failure. Ingesting even small amounts can cause severe toxicity, making it crucial to avoid contact and consumption. Its dangerous effects are exacerbated by the plant's attractive appearance, which can mislead people into underestimating its toxicity.