A no-nonsense, everything-you-need-to-know guide to the health effects of radiation--at home, on the job, or wherever. Panati is a radiation health physicist and former Newsweek science editor; Hudson is a Newsweek staffer; and for the first time in one volume, they cover every radiation beat. Through a question and answer format--skillfully used, surprisingly engaging--they convey reams of information, in lucid, non-technical language, about: what radiation is, how its forms differ, what their health effects are. They aren't alarmist--they don't, that is, stretch the data (all of which is evaluated). Practical advice is offered where possible: kids with baby teeth ordinarily shouldn't have dental x-rays; pregnant women should have x-rays only when unavoidable; after major x-ray exams, men shouldn't parent a child for two months, women for even longer; and much else. Particularly valuable is a section on microwaves: it conveys the need for concern and the state of knowledge in this important area, about which the public knows very little. A book to look over carefully and to consult periodically. In a word, invaluable.