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.
The most important duty of the legislative branch is to make laws. Laws are written, discussed and voted on in Congress. There are 100 senators in the Senate, two from each state. Senators are elected by their states and serve six-year terms.