For optimum results, have one inside every bedroom, in each hallway, and on every floor. In addition, they should be interconnected, so you will hear it on the second floor even if it alarms somewhere else. While you're getting those smoke detectors in running shape, I'd also recommend carbon monoxide detectors, as needed. Finally, in areas where smoke detectors can't be installed for one reason or another, consider heat detectors. Experts agree that washing your hands is a key to preventing colds, flu, and other infections.
Infectious diseases are one of the leading causes of death.
But here, too, Rodale omits some important advice on the subject. You have to wash your hands properly, to get the benefit all experts enthusiastically acclaim. If you wash your hands and then touch the faucet while turning it off, you simply recontaminate your hands. So turn the faucet with a paper towel or your elbow. They are now available in almost every pharmacy and supermarket.