That is a question they ask bballad. The system is very discriminatory. How many people have you read about in a lifetime that have contracted disease through blood transfusion? Hundreds, in mine. They also use discriminatory items such as drug use. Many people have communicable diseases such as HIV or Hepatitus etc... without even realizing it! They even uses such demoralizing questions as. "Have you recently had an illness such as a head cold etc? Discrimintating homophobic bastards. In fact if you have lifestyles that include high colesterol, diabetes, cancer, etc you are also discriminated agaist with extreme prejudice. Oh and also Birth Control (god forbid we ask a lifestyle question that could indicate your sexual activity), blood pressure, taking aspirin, atibiotics.... extensive.