FOXNEWS Tucker Carlson Tonight December 8, 2021 06:58:00
Getting alzheimers by 70%. is that true? if so it's amazing. dr. marc siegel, is it true? thanks for joining us. is it true, doctor? >> tucker, i think it's true. i'll take you back to the 90s when this drug, viagra, was first developed. we developed it for high blood pressure. in studying it, nurses noticed a very significant finding. which led to its current use. but it was used for lung disease and now being used and studied to treat heart disease. it has more and more uses because it dilates blood vessels and improves flood flow. in britain they studied it in mice and improved brain functi...