What is the primary danger of botulism from canned foods?

Botulism is primarily caused by the toxin from the bacterium Clostridium botulinum, which can thrive in improperly canned or preserved foods. The nature of the toxin is neurotoxic, meaning it specifically targets the nervous system. This can lead to paralysis, which starts with muscle weakness and can progress to respiratory failure if not treated. In severe cases, the paralysis can be life-threatening due to respiratory muscle involvement.

While other symptoms may occur with foodborne illnesses, such as abdominal distension, dehydration, and visual disturbances, the hallmark sign that distinguishes botulism is the neurotoxic paralysis caused by the toxin. Understanding this mechanism is crucial for recognizing the seriousness of botulism; prompt medical intervention is required to address the paralysis and prevent further complications.