113493
A typical dog will normally experience great intestinal distress after eating less than of dark chocolate , but will not necessarily experience bradycardia or tachycardia unless it eats at least a half a kilogram ( 1.1 " lb ) of milk chocolate .
 bradycardia, tachycardia
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:
 bradycardia, tachycardia