If you have an addiction with smoking I would say vaping
Person to Person. People with flu can spread it to others up to about 6 feet away. Most experts think that flu viruses spread mainly by droplets made when people with flu cough, sneeze or talk. These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lung.
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You get tired when you run because our leg muscles don't get enough oxygen anymore.
This is true hopefully you chose the correct answer.