11.   Going on vacation is a lot like getting a cold.

12.   He found that those who raced were six times more likely to get colds afterwards, a sign of how stressful the long race can be.

13.   He was told the man was worried about getting a cold.

14.   His ordeal began after his son got a cold.

15.   I then got a cold and was very sick for a week and a half.

16.   I get angry when I get a cold.

17.   If the CEO sneezes, the top executives get a cold.

18.   It takes about three days to get the cold, three days to have it and three days to get over it.

19.   Most of the subjects got colds.

20.   Other research has found that the more stress people experience, the more likely they are to get colds.