A lot of corporate diagnostic laboratory chains are now aggressively marketing " Preventive Health Checkups " with " complete profile and full body tests" to the public at a highly discounted price. They even offer to come to your house to collect your blood sample ! The promise is simple. If you want to remain healthy and prevent illnesses, there's no need to go to your doctor. Just call us and we will do your blood tests for you ( the same tests which your doctor would have ordered, but which you can now self-order at a fraction of the cost). Based on these results, we will tell you what you need to remain healthy.