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.
Legumes offer a fiber- and protein-rich source of L-tryptophan. Legumes, such as beans, split peas, peanuts and lentils, offer a fiber- and protein-rich source of L-tryptophan. Kidney beans, black beans and split peas each contain 180 milligrams per cup, while one-fourth cup of peanuts contains 90 milligrams.