Personalized medicine, or precision medicine - which provides medical assistance based on each person's genetic profile and other personal characteristics - includes personalized medical tests. As a consequence, these personalized medical tests, which identify variation in gene and protein levels, help doctors to more effectively prevent many diseases, then diagnose those not prevented, and finally successfully treat any disease. The objective is to have such personalized medical tests for all people on the Planet. This book discusses all these issues, in parallel with other significant and necessary improvements, which will make the medical year 3843 very healthy and valuable indeed. There are many important genetic and other tests which help doctors with disease prevention, diagnosis, and treatment - and these tests can be personalized to each patient's personal characteristics. This book, using a planetary dialog, focuses on achieving this beautiful and healthy objective.) The future begins to take shape, and looks really healthy!