542
Lower doses of aspirin have also been shown to reduce the risk of death from a heart attack , or the risk of stroke in people who are at high risk or who have cardiovascular disease , but not in elderly people who are otherwise healthy .
 disease: heart attack; disease: stroke
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 disease: heart attack; disease: stroke