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.
Origin of L-Threonine: Foods rich in L-threonine are: 1  poultry. 2  fish. 3  cottage cheese. 4  sesame seeds. 5  lentils. 6  bananas. 7  carrots. 8  green leafy vegetables.