There are many reasons why people take the longevity test. People take longevity tests because they are worried about their health. They may be experiencing symptoms that could be signs of an illness or condition that can shorten their lifespan. Want to see how long you have left to live? Check it out with the Longevity Test Kit from Bione! The Longevity Test Kit is a quick and simple at-home saliva test that can help you get a clearer picture of your health. Get a free call from Bione Expert about your health.