This $2 Remedy Beats Every Cold Medicine

In 1979, a 3-year-old girl named Karen was undergoing chemotherapy for leukemia in Austin, Texas. The treatment was saving her life — but it had destroyed her immune system. Every cold hit her hard, and her doctor warned that once a cold took hold, it could last for months [1]. Her father, George Eby, was giving her zinc tablets to bring up her levels and improve her immune system's function [2].…