Some may be caused by low intake of dietary fibre and water, mental stress, stress, etc. Others may be caused by organic diseases such as haemorrhoids, anal fissures, perianal abscesses, proctitis, diaphragmatic paralysis, muscular dystrophy, etc., which cause weakness of the muscles involved in the defecation process and narrowing of the intestinal tract, resulting in poor defecation and excessive absorption of water in the body, resulting in lamb-like stools.