In healthy adults, the half-life of caffeine is 4.9 hours. In pregnant women, the half- life is 9-11 hours. In infants as well as young kids, the half-life of caffeine is longer than the adults, about 30 hours. Patients with severe liver disease, caffeine may accumulate in the liver with the half-life up to about 96 hours.
Much of North Koreaâs aviation fuel appears to come from China. In 2015, the isolated country spent $877,048 importing 1,415 tonnes of Chinese jet fuel, according to Chinese customs data - enough for North Korea to operate its fleet of largely Soviet-era military aircraft.
Illinois leads the Midwest in crude oil refining capacity and ranked fourth in the nation as of January 2016. In 2013, Illinois ranked second in the nation in recoverable coal reserves at producing mines. With a production capacity exceeding 1.6 billion gallons per year, Illinois is the third largest producer of ethanol. Illinois ranked first in the nation in 2016 in both generating capacity and net electricity generation from nuclear power. Generation from nuclear power plants in Illinois accounted for 12% of the nationâs nuclear power.