One study showed that eating celery could help curb aggressive emotions  151 women were surveyed  Of the women who said they ate celery regularly, 95 percent said they were rarely aggressive or outright provoked
Female respondents were suggestible and more cooperative, cooperating with researchers, consciously or not, to answer questions in the direction they wanted.
 Of the women who didn't eat celery regularly, 53 percent said they were often anxious, angry, and aggressive