Sciatica is a disease of the spinal column in which the nerves of the spinal cord become unhealthy, particularly in the lower part of the spine. The work of this nerve ensures the sensitivity of the lower part of the human being. People aged 22 and over are more likely to suffer from sciatica; causes: aging of the spine, traumatic injury, herniated disc, infection, cancer, stress... Hygiène et santé" program on Radio Don Bosco.