Prevalence of Folic Acid and Vitamin B12 Deficiencies in Patients With Thyroid Disorders Lippi G et al. - In multivariable linear regression analysis folic acid, but not B12, was associated with TSH levels. The results do not support the routine screening for either B12 or folic acid deficiency in subjects with subclinical disturbances of thyroid function, though the authors can not rule out that it might still be useful in patients with overt thyroid dysfunction. [more...]
