← Ask the Doctor · Season 1Solutions for Low Back Pain: #4 Chronic Low Back PainS1 · E12 · 30 Mar 2019 · 10 minPain in the lower back that persists for more than 3 months; the BS-POP test.← 11. Solutions for Low Back Pain: #3 Acute Low Back Pain13. Heart Disease: #1 Three Unexpected Causes of Angina →