As far as the two generals are concerned, they may conclude there's nothing to worry about.

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"Train announcement: " As you can hear, there's an alarm sounding, but there's nothing to worry about.

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Studies contradict each other, and scientists bicker: Some will tell you with great conviction that there's nothing to worry about.

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Mahaman Tidjani Alou, a professor of political science at Niamey's state-funded Abdou Moumouni University, argues that there is nothing to worry about.

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"The princess is still young at 35, and there is nothing to worry or become desperate about, " maintains Dr. Iizuka Rihashi, one of Japan's leading obstetricians.

CNN: AN HEIR OF CHANGE IN JAPAN