Dec. 1 (UPI) -- The United States and the United Kingdom have agreed on a zero-tariffs deal for medications manufactured in the U.K. In the agreement , the U.K. will pay more for medications through the National Health Service and the United States will keep import tariffs on U.K. pharmaceuticals at zero for three years. It's the first time the NHS will pay more for medicine in more than 20 years. Medications are one of the U.K.'s biggest exports to the United States, and in September,