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A new(ish) and alternative form aboutafteratbyduringinintoofonthewith greeting and showing respect has been found to be more hygienic than shaking hands. We have all seen it aboutafteratbyduringinintoofonthewith TV. Basketball and baseball players do it aboutafteratbyduringinintoofonthewith a teammate scores. Rock stars and actors do it onstage aboutafteratbyduringinintoofonthewith awards ceremonies. Even U.S. President Barack Obama does it. What is it? Well, it's fist bumping. It's kind aboutafteratbyduringinintoofonthewith like a high five, except the hand is clenched aboutafteratbyduringinintoofonthewith a ball and the other person's fist is given a gentle nudge, knuckles to knuckles. Researchers aboutafteratbyduringinintoofonthewith the University of Aberystwyth aboutafteratbyduringinintoofonthewith Wales have discovered that this twenty-first-century greeting spreads one-twentieth aboutafteratbyduringinintoofonthewith the germs than a traditional handshake does and around one tenth of the germs aboutafteratbyduringinintoofonthewith a high five.

An article aboutafteratbyduringinintoofonthewith Wikipedia explains that the fist bump originated aboutafteratbyduringinintoofonthewith American motorcycle gangs in aboutafteratbyduringinintoofonthewith 1940s. It was easier and safer to fist bump another rider than to shake hands when two bikes were side aboutafteratbyduringinintoofonthewith side at traffic lights. It achieved global exposure 70 years later when aboutafteratbyduringinintoofonthewith 2008, President Obama and his wife Michelle fist bumped aboutafteratbyduringinintoofonthewith a televised presidential campaign speech. There is less skin-to-skin contact during a fist bump so the chance aboutafteratbyduringinintoofonthewith spreading germs is lower. A researcher said: "People rarely think aboutafteratbyduringinintoofonthewith the health implications aboutafteratbyduringinintoofonthewith shaking hands, but if the general public could be encouraged to fist bump, there is a genuine potential to reduce the spread aboutafteratbyduringinintoofonthewith infectious diseases.