Bad indoor climates in schools negatively affect learning. Better air helps workers and students think better, and improves productivity and health. Clean, fresh air has been shown to reduce sick building syndrome and people taking days off for illness. Sick building syndrome, caused by poorly designed and ventilated buildings, includes symptoms such as eye irritation, headaches, coughing and chest tightness.
Fresh clean air also helps you to thing better, increases your energy levels and helps you to achieve more sharper mind. The fact is, that your brain consume twenty percent of your body's oxygen. The optimal amount of oxygen brings greater clarity to the brain, improves concentration and helps you to think more clearly.