SerotoninDeficiency.com

Thiamine Deficiency and Dependency
The Merck Manual looks at primary and secondary deficiency, symptoms, signs, some specific diseases caused by deficiency, diagnosis and treatment.
www.merck.com/

Biotin Deficiency and Dependency
A brief look each at the deficiency and the dependency of this vitamin.
www.merck.com/

Vitamin C Deficiency
A discussion about this vitamin and why we need it. Symptoms, laboratory finding, diagnoses, prophylaxis and treatment are covered.
www.merck.com/

Vitamin B6 Deficiency and Dependency
Symptoms, signs, diagnosis and treatment are discussed here.
www.merck.com/

Niacin Deficiency
A look at primary and secondary deficiency, symptoms, signs, diagnosis and treatment by The Merck Manual.
www.merck.com/

WebMD: Vitamin B12 Deficiency Anemia
A discussion about this vitamin, its deficiency, symptoms, causes and a list of food sources.
my.webmd.com/

Vitamin A Deficiency
A look at this vitamin and primary and secondary deficiency. The symptoms, signs, diagnoses and treatment are discussed.
www.merck.com/

Iron Deficiency and Toxicity
The Merck Manual takes a look deficiency and the symptoms of toxicity.
www.merck.com/

Understanding Alpha-1 Antitrypsin Deficiency
Information on signs and symptoms of this disorder, as well as risk factors and treatment.
www.nlm.nih.gov/

Vitamin D Deficiency and Dependency
The signs, symptoms, laboratory findings, diagnosis and treatment.
www.merck.com/