Neurotoxin

: High-potency toxins like Botulinum neurotoxin (produced by Clostridium botulinum ) block the release of acetylcholine, the chemical that tells muscles to contract. This results in flaccid paralysis, which can be fatal if it affects respiratory muscles.

: Some recreational drugs (alcohol, amphetamines, cocaine) and certain chemotherapeutic agents exhibit neurotoxic properties. Clinical and Aesthetic Applications

: Some effects are fleeting, such as the temporary coordination loss from alcohol consumption, while others—like cognitive damage from lead or mercury exposure—can be irreversible. Major Types and Sources

Neurotoxins are found in a variety of natural and synthetic forms:

Despite their potential for harm, controlled doses of certain neurotoxins have revolutionized modern medicine and aesthetics: