The secret to preventing and slowing down Alzheimer’s? New research suggests green tea and jogging. by Michael S. Evers | May 7, 2015 | Feed It, Work It A cup of green tea followed by a jog could stave off or slow the progression of Alzheimer’s disease, a study claims. Researchers discovered a green tea extract, called ECGC, slowed the progress of the condition when combined with physical activity.