1 The majority of thyroid nodules are benign. 2  Thyroid nodules are more likely to be cancerous at the extremes of age and in males. 3  The most malignant thyroid cancers are seen at the extremes of age.  Most thyroid cancers are found between ages 20 to 50.
In the U.S. Congress, the parliamentarians of the House and Senate serve as formal, nonpartisan advisers to the Speaker of the House and presiding officer of the Senate respectively.
1 Preside over the daily sessions of the Senate. 2  Preserve order in the chamber. 3  State parliamentary motions. 4  Rule on parliamentary questions. 5  Appoint committee chairs and members. 6  Refer bills to committee. 7  Sign legislation, writs and warrants and.  Act as the official spokesperson for the House or Assembly.