suppressive effect on pituitary TSH secretion (9). They also found that it was much more potent than T4 (10), although it was less abundant than T4 in the thyroid gland (11). Based on these findings Gross and Pitt-Rivers hypothesized that T3 was the active peripheral thyroid hormone and T4 was its precursor.
(Photo: Tom Tingle/The Republic) U.S. Sen. Jeff Flake may have a long two years ahead of him. Up for re-election in 2018, the first-term Arizona Republican is already under attack from the right and the left.
Main article: United States Senate election in Wisconsin, 2016. One-term Senator Ron Johnson (Republican) defeated three-term Senator Russ Feingold (Democrat) with 51.9% of the vote in 2010. He will be 61 years old in 2016.ne-term Senator Rand Paul (Republican) was elected with 55.7% of the vote in 2010. He will be 53 years old in 2016. Paul has filed for re-election, although he is also running for President of the United States in 2016.