5 Tips to Keep You Healthy - Cold and Flu Prevention

5. Keeping the windows shut is another tip that we decided to include in our list. Some believe that the more often you clear out your office, the healthier it is inside. As a matter of fact, it won’t help much and if there are infected people at work, then opening the windows cannot change anything. The best thing is to let the sick people go home and stay away from other, which is not always possible.