A thyroid-stimulating immunoglobulin (TSI) test is a blood test that can help diagnose Graves’ disease, an autoimmune condition that causes an overactive thyroid. A TSI test measures levels of TSIs in ...
A new rapid test for hepatitis C could help identify many more patients who could be cured of the deadly disease, but its use may be limited unless insurers' reimbursement rises to cover its high cost ...