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 U.S. Senate proposes and considers new laws, approves or rejects presidential nominations, provides advice and consent on international treaties, and serves as the high court for impeachment trials. Although the U.S. House of Representatives also works on new legislation, only the Senate performs the other three duties. Keep Learning.