What illness does a calabar bean cure?

Calabar bean, derived from the Physostigma venenosum plant, is traditionally associated with the treatment of glaucoma due to its ability to reduce intraocular pressure. However, it is primarily known for its toxic properties and has been historically used in various rituals and as a poison. Its use in modern medicine is limited and not widely recommended due to its potential for severe side effects. Always consult a healthcare professional before considering any treatment.