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.
L-Theanine can be found in: The leaves of camellia sinensis (source of green tea catechins and the plant used to produce green, black, and white teas) at 0.9-3.1% of the dry weight of the leaves and said to range from 25-60mg per 200mL serving of tea (2.5g of dried tea leaves) C. japonica and C. sasanqua.