Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: For thousands of years, nutrition has been a driving factor behind the success or failure of human exploration. This is particularly true in the case of space flight.

What do astronauts and one in five women have in common?