Thyroid screening 'not recommended' in primary care

A Canadian task force finds there is risk of harm

Members of a Canadian task force have "strongly" recommended against screening for thyroid dysfunction in asymptomatic non-pregnant adults, citing unlikely benefit and potential unnecessary treatment.

Blood test

Members of the Canadian Task Force on Preventive Health Care considered evidence from systematic reviews on the benefits and harms of screening for asymptomatic thyroid dysfunction, treatment of asymptomatic thyroid dysfunction, and patient values and preferences.

They concluded: "The task force found no trial evidence on screening versus not