(Number of) studies in topic
Acne (20+ studies)
Alcohol (29+)
Alzheimer's (81+) Overview
Ankylosing Spondylitis (20+)
Autoimmune (188+)
Back Pain (40+)
Lumbar Degeneration (14+)
Bipolar Disorder (15+)
Bone - Health (296+)
Breathing (428+)
Asthma (132+)
Pneumonia (50+)
Burns/Wounds (30+)
Cardiovascular (474+) Overview
Atrial Fibrillation (20+)
Heart Failure (42+)
Statins (80+)
Carpal Tunnel Syndrome (12+)
Cerebral Palsy (6+)
Brain (94+)
Delirium (9+)
Dementia (50+)
Concussions (25+)
COVID-19 (1200+)
Cystic Fibrosis (49+)
Dental (96+)
Depression (242+)
Prediabetes (30+)
Type 1 Diabetes (46+)
Diseases general (93+)
Ear (17+)
Endometriosis (8+)
Epilepsy(15+)
Falls/Fractures (236+) Overview
Fertility/Sperm (128+)
Erectile Dysfunction (12+)
Children (16+)
Hip Fractures (68+)
Frailty (16+)
Genetics (312+)
CYP24A1 (31+)
CYP24R1 (25+)
CYP27B1 (53+)
Vit D Binding (167+)
Vit D Receptor (465+)
Cancer in VDR (79+)
Gestational Diabetes (34+)
Gout (13+)
Bariatric (13+)
Celiac (8+)
Crohn's (38+)
IBD (28+)
Hair (20+)
Alopecia Areata (8+)
Headache (40+)
Health - general (97+)
Hepatitis-B (12+)
Hepatitis-C (13+)
Hives (10+)
Hypertension (159+) Overview
Pregnancy (41+)
Immunity (249+)
Inflammation (160+)
Infection (141+)
Dialysis (39+)
Kidney Stones (27+) Overview
Leprosy (16+)
Lupus (71+)
Mental Illness (20+)
Mental Stress (5+)
Metabolic Syndrome (97+) Overview
Mortality (292+)
Multiple Sclerosis (384+) Overview
MS and Virus (16+)
Muscle (113+)
Muscular Dystrophy (9+)
Myopia (17+)
Weight (67+)
Child & Youth (60+)
Osteoarthritis (57+) Overview
Knee (26+)
Osteoporosis (204+) Overview
BMD (26+)
Pain - chronic (150+) Overview
Parkinson's (100+) Overview
Pneumonia (22+)
Pollution (31+)
Breastfed (35+)
Miscarriage (31+)
Preeclampsia (54+)
Preterm (127+)
Prostate - BPH (16+)
Psoriasis (66+)
Restless Legs Syndrome (15+)
Rheumatoid Arthritis (109+) Overview
Sarcopenia (28+)
Sepsis (38+)
Shingles (15+)
Sickle Cell (17+) Overview
Sleep (91+)
Smoking (83+)
Spinal Cord (20+)
Spinal Surgery (13+)
Statins (40+)
Suicide (16+)
Thyroid/Parath. (78+) Overview
PTH (34+)
Trauma/Surgery (320+)
Bariatric surgery (12+)
Bone surgery (23+)
Need Vit D (69+)
Sepsis (36+)
Traumatic Brain Injury (21+)
Tuberculosis (118+) Overview
Urinary Tract Infection (15+)
Vertigo (18+)
Virus (1200+)
Child - years after VAX (11+)
Dengue (13+)
Epstein-Barr Virus (20+)
Excess Deaths (23+)
Ivermectin (35+)
Long-COVID (72+)
Magnesium (60+)
Ultraviolet light (16+)
Vaccination (198+)
Vitamin D (650+)
Zinc (32+)
Vision (89+)
Dry Eye (15+)
Macular Degneration (14+)
Myopia (14+)
People and Low Vitamin D
Infant/Child (747+)
Cancer (13+)
Cerebral Palsy (15+)
Pneumonia (25+)
RSV (25+)
Vaccination (10+)
Virus (50+)
Military (27+)
Fraility (20+)
Sarcopenia (25+)
Urinary incontinence (15+)
Vertigo (22+)
Skin - Dark (455+) Overview
Endometriosis (25+)
incontinence (16+)
Menstrual Cycle (6+)
Premenstrual Syndrome (13+)
Uterine Fibroid (13+)
Youth (166+)
Early Puberty (15+)
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# of studies as of Mar 17, 2023