Studies conducted by researchers at Johns Hopkins show a dramatic increase in ATD prescriptions and with methimazole replacing PTU as the drug of choice. Read my latest article on the topic. This study shows that changes in HIPAA and the Internet itself have given patients the ability to make their own choices, and at last we're catching up with the rest of the world. Worldwide, ATDs have been by far the most common treatment for Graves' disease. Read the JCEM article for more information.