I wanted to share with you the information gained by my latest hobby horse, vitamin D and A supplementation. Now I've hearnd the warnings of over supplementation of these nutrients over and over so decided to see just what the actual research said about these two vitamins. I was totally amazed!!! Please do give this a read as time allows. I know it's a lot but it might be just the answer, or part of the answer, for which you're searching.

What are the diseases for which deficiencies in these vitamins have been implicated?

Vitamin D
Alcoholism
Anxiety
Arthritis
Autoimmune diseases
Birth defects
Bone diseases
Bone pain
Burning in mouth
Cancer--prostate, colon, and breast
Celiac-Sprue
Coeliac
Crohn's
Chronic Fatigue Syndrome
Chronic Pain
Cystic fibrosis
Depression
Diabetes
Diarrhea
Enzymatic diseases
Fatigue
Fibromyalgia
Graves' disease
Heart disease
Hernia
High blood pressure
Impaired wound healing
inflammatory bowel disease
Insomnia
Intestine
Irritability
Joint pain
Kidney
Liver
Lupus
Malabsorption
Multiple sclerosis
Muscle pain
Myopia
Nervousness
Obsessive Disorders
Osteomalacea
Osteoporosis
Panic Attacks
Parkinson's
Psoriasis
Rheumatoid arthritis
Rickets
Scalp sweating
Schizophrenia
Thyroid

Vitamin A
Acne
Anemia
Autoimmune diseases
Blindness
Bronchitis
Cancer—breast, cervic, and lung
Cardio vascular disease
Celiac disease
Cirrhosis
Congenital partial obstruction of the jejunum
Corneal ulcers
Chronic Fatigue Syndrome
Chronic lung disease
Cystic fibrosis
Dry Scalp
Duodenal bypass
Emphysema
Eczema
Fatigue
Fibromyalgia
Gastrointestinal problems
Giardiasis
Growth Impairment
Gulf War Syndrome
Hair and scalp problems
Hyperkaratosis
Immune diseases
Impaired healing
Infection severity (continuing and chronic)
Infertility
Insomnia
Kidney Stones
Leukemia
Melanoma
Multiple Chemical Sensitivity
Night blindness
Obstruction of the bile ducts
Pancreatic disease
Psoriasis
Respiratory infections
Rosacea
Shingles
Sprue
Thyroid
Ulcers
Urinary infections
Warts