Promotion"In only six days I lost seven pounds of weight.""Two full inches in the first three days!"These are the kinds of statements used in magazine, newspaper, radio and television ads, __41__ (promise) new shapes and new looks to those who buy the medicine or the device. The promoters of such products say they can shape the legs, slim the face, __42__ (smoothly)wrinkles, or in some other way to beauty or desirability.Often such products are nothing more than money-making things for their promoters. Things they produce are __43__ (question),and some are dangerous to health.To understand how these products can be legally promoted to the public ,it is necessary? Understand something of the laws covering their __44__ (regulate). If the product is a drug, FDA(Food Drug Administration) can require proof （证明） under the Food, Drug, and Cosmetic Act the safe and __45__ (effect)before it is put on the market. But if the product is a device, FDA has no aut to require premarketing proof of __46__ (safe) or effectiveness. If a product already on the marker danger to health, FDA can request the producer or __47__ (distribute) to remove it from the a voluntarily, or it can take legal action, including seizure （查封） of the product.One __48__ (note) case a few years ago involved an electrical device called. The Relaxacisor, had been sold for reducing the waistline. The Relaxacisor produced __49__ (electricity) shocks to the through contact pads. FDA took legal on against the distributor to stop the sale of the dev the grounds that it was dangerous to health and life.Obviously, most of the devices on the market have never been the subject of court proceedings （法律诉讼） ,and new devices appear __50__ (continual), Before buying, it is up to the consumer to the safety or effectiveness of such items.