Knowledge is great, but it (usually) comes at a cost. If having the test has a 2% chance of hurting you, and the knowledge gained by the test only has a 1% cha

Knowledge is great, but it (usually) comes at a cost. If having the test has a 2% chance of hurting you, and the knowledge gained by the test only has a 1% chance of helping you, it makes sense not to take the test.