June left foot numb then calf,knee thigh and 2 months arm did mri xray, bugling disc on right side pain getting worse and numbness spreading why?

Cervical disc: Not unusual for patients in their 50-60s to have wear of their discs in both neck and low back which as they wear produces narrowing of the bony tunnels leading away from the spinal cord. , When this occurs the nerves in both the neck and low back become pinched , This can lead to pain , numbness and tingling , weakness So this is not a case of spreading,Rather it's a process occurring simultaneo