And now, researchers in South Korea say there may be something to all that!
In the study, men under pressure at work were 74 percent more likely to take time off because of a cold, and men who lacked control over their jobs were 42 percent more likely to call in sick.
Women, the researchers found, didn't take more time off from work, partly because they have a more stoic response to sickness.
On "The Early Show," CBS News Medical Correspondent Dr. Jennifer Ashton said, "There may, in fact, be evidence now scientifically that there is a real entity called 'the wimp factor."'
She discussed it with co-anchor Erica Hill: