Acne (20+) studies
Alcohol (29+)
Ankylosing Spondylitis (20+)
Antibiotics & Pro (81+) Overview
Autoimmune (185+)
Back Pain (39+)
Bipolar Disorder (15+)
Bone - Health (293+)
Breathing (420+)
Burns, wounds (30+)
Cardiovascular (462+) Overview
Carpal Tunnel Syndrome (12+)
Cerebral Palsy (6+)
Concussions (25+)
COVID-19 (1000+)
Cystic Fibrosis (47+)
Dental (96+)
Depression (237+)
Diseases gen.+ misc, (93+)
Ear (14+)
Endometriosis (8+)
Epilepsy(14+)
Falls/Fractures (228+) Overview
Fertility and sperm (126+)
Fraility (16+)
Genetics (305+)
CYP27B1 (51+)
Vit D Binding (163+)
Vit D Receptor (446+)
Gestational Diabetes (34+)
Gout (13+)
Hair (20+)
Headache (40+)
Health - general (95+)
Hepatitis-B (12+)
Hepatitis-C (13+)
Hives (10+)
Hypertension (153+) Overview
Immunity (234+)
Inflammation (153+)
Infection (141+)
Jaundice (4+)
Kidney Stones (27+) Overview
Leprosy (16+)
Lupus (66+)
Mental Illness (20+)
Mental Stress (5+)
Metabolic Syndrome (93+) Overview
Migraine Headache (4+)
Mortality (280+)
Multiple Sclerosis (380+) Overview
Muscle (18+)
Myopia (17+)
Osteoarthritis (55+) Overview
Osteoporosis (200+) Overview
Pain - chronic (148+) Overview
Parkinson's (96+) Overview
Photosensitivity (3+)
Pneumonia (22+)
Pollution (31+)
Psoriasis (60+)
Raynaud's (4+)
Restless Legs Syndrome (15+)
Rheum. Arth (107+) Overview
Sarcopenia (28+)
Sepsis (38+)
Shingles (15+)
Shin splints (4+)
Sickle Cell (17+) Overview
Sleep (91+)
Smoking (33+)
Spinal Cord (18+)
Spinal Surgery (13+)
Statins (40+)
Suicide (16+)
Thyroid/Parath. (78+) Overview
Trauma and surgery (308+)
Tuberculosis (117+) Overview
Urinary Tract Infection (15+)
Vertigo (18+)
Virus (1094+)
Vision (85+)
People and Low Vitamin D
Infant-Child (712+)
Military (27+)
Skin - Dark (451+) Overview
Youth (162+)
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# of studies as of Sept 9, 2022