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 Constitution created a bicameral national legislatureâthat is, a Congress composed of two separate chambers, the Senate and the House of Representatives.The Senate, sometimes called the upper house, is smaller (currently 100 seats) and its members serve longer terms (six years).ach state, no matter how large or small, has equal representation (two seats each) in the Senate. The House of Representatives, a.k.a. the lower house, is much larger (currently 435 seats) and its members serve much shorter terms (two years).