Sponsor Message. Adults are continually bombarded with messages about how eating foods rich in cholesterol can elevate an individual's risks of atherosclerosis and heart attacks. Many such warnings have focused on eggs because their yolks are a major dietary source of cholesterol.
It is estimated that 90 percent of Americans have flown in their  lifetime. This is up. It is estimated that 21 percent of Americans  have flown within the last three monthsâ¦ alone. Making the world better, one answer at a time.
Last year (2009), 769.6 million travelers boarded planes in the U.S. or planes bound for the U.S., according to new data from the Bureau of Transportation Statistics. That's down 5.3% from 812.3 million passengers in 2008 and down 8.2% from the record 838.2 million air travelers in the U.S. market in 200.ast year (2009), 769.6 million travelers boarded planes in the U.S. or planes bound for the U.S., according to new data from the Bureau of Transportation Statistics. That's down 5.3% from 812.3 million passengers in 2008 and down 8.2% from the record 838.2 million air travelers in the U.S. market in 200.