Medical researchers are trying a new treatment for low back pain. Their hope is that harvesting and then re-injecting the body’s own bone marrow — which is rich in stem cells — may repair worn-out discs in the spine.
In a small new study, the approach appeared to be safe — and none of the patients reported that their pain got worse after the procedure.
But both the doctors who are testing the technique and outside experts say much more research is needed before they can say whether the treatment offers real relief.
“I tell everybody that this is experimental, with a