Ct scan shows disc bulges at t12-l1, l3-l4, l4-l5, l5-s1, minimal facet arthropathy at t12 to l4 mild l4-15, severe l5-s1with left foraminal stenosis, retrolisthesis l4-l5, anterolisthesis l5-s1, mild right convex curvature, how bad is this?

CT & spinal problems: This could be normal if you are not having pain. But suspect you had this done because of pain and you must discuss with your Dr. I do not know you. Your team does.

Lots of changes for 41 yeaars old - probably some genetics working here (disk disease runs in families). You need to work om core exercises and posture (Can Google this for suggested workout); and AVOID OSTEOPOROSIS. You are at increased risk of these concerns over time.