Best Answer: Only two VPs have resigned. John Calhoun in December 28, 1832 to run as a senator. On October 10, 1973, Agnew became the second Vice President to resign the office.
Foods Rich in L-Theanine. L-Theanine is an amino acid commonly found in green tea, which is believed to increase alpha waves in the brain, creating a feeling of relaxation, while maintaining mental alertness, Natural News wrote.
Of course there are many other foods that contain anthocyanins, such as black beans, peaches, kidney beans, and bananas, but the list above are the foods which are known to contain the highest levels of this health-improving antioxidant.