41289
She also reveals that if she falls in love with someone , her body will produce oxytocin , a hormone which will keep embryo cells from consumption , resulting in the loss of her immortality .
 immortality
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 immortality