Henry Lahore at VitaminDWiki list forty-two health problems as proven by Double-blind random-controlled-trials.

Hypertension,  Cardiovascular,  Back Pain,  Diabetes,  Influenza,  Falls,  Hip Fractures,  Breast Cancer, Raynaud’s pain,  Menstrual Pain,  C-section and pregnancy risks,  Low Birth Weight, Chronic Kidney Disease, Cystic Fibrosis,  Rheumatoid Arthritis,  TB,  Rickets,  Respiratory Tract Infection, Lupus, Sickle Cell pain, leg ulcers, traumatic brain injury. Parkinson’s Disease, Multiple Sclerosis, Congestive Heart Failure,  Middle Ear Infection, Gingivitis, Muscles in seniors, Antibiotic use in seniors, Taller Infants, Gestational Diabetes, Heart Strength following an attack, Prostate Cancer, Asthma, Depression, Breastfeeding, Fibromyalgia, Chronic Hives, cholesterol, Weight Loss: http://is.gd/proofvitd

What else do you need to know to be sure you have an adequate serum vitamin D level?   – Pandemic Survivor