Indoors

  Get outside, go for a walk, get some fresh air, do it today.

AlterNet: Being Inside Is Making Us Stupid: How Indoor Air Pollution Impacts the Function of Our Brains - An alarming study finds that normal levels of indoor air pollution has a significant effect on human cognition

...the study has found that normal indoor levels of carbon dioxide and volatile organic compounds negatively impact human cognitive function and decision-making

The Study