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.
The percentage of people saying they were very worried about terrorist attacks while flying fell by half, from 25 percent to 12 percent, while the percentage expressing no worry rose 16 points, to 56 percent. Frequent fliers were far less likely to express concern than infrequent fliers or those who've never flown.