A comprehensive review of medical research--past and present--this book embraces every aspect of medicine and its related fields. How does man calculate his endurance capacity in outer space? What are the factors involved in predicting heredity? What represents a potentially cancerous mole? What is the manifestation in the infant of an infection in the mother during pregnancy? These and countless other questions, which not only involve those who seek research careers in medicine or chemistry but apply universally to all readers, are considered in lucid and exciting detail by Edward Neal, author of Six Against Crime, Skyblazers, etc.