Lathyrism is caused by excessive consumption of

Lathyrism is a neurological disease caused by excessive consumption of khesari dal (Lathyrus sativus or grass pea). The pulse contains a neurotoxin called ODAP (β-N-oxalyl-L-α,β-diaminopropionic acid) which can cause paralysis if consumed as a major dietary staple over long periods. The condition was historically observed in areas affected by famines.