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.
In the Senate, cloture is invoked by a vote of 60 Senators. In the House, constituency is much narrower than in the Senate. In the House, the constituency is limited to each House District. In the Senate, the constituency is larger and involves an entire state. In communicating with members of Congress, keep in mind that representatives are less reliant on staff. On the other hand, Senators are often more reliant on staff.