Many diseases need large population to survive. Hunter Gatherer populations are low. Diseases often affect and kill a few people and then go away until the population comes into contact with someone else. Most areas especially cities have a large population enough to keep diseases staying around. Disease does not spread faster in an agrarian society, it spreads but it is not too noticeable.
I would say call his grandmother. Because maybe she call tell him about her experiences and help him get through his situation
Answer: harmonic scalpel Abbreviation: HS An ultrasonic dissecting device used in surgery to disrupt, disintegrate, or coagulate tissues, especially those with a high water or fat content. The device works by cavitating the tissues it contacts.
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