Radon

You can't see or smell it, but long-term exposure to this radioactive gas is the top cause of lung cancer in non-smokers.

Temperature

Temperature is not just a matter of comfort, it can negatively affect sleep quality, mood, and alertness.

Air pressure

Changes in air pressure affect radon levels and, for some, they can trigger headaches, joint stiffness and pain.

Humidity

High humidity promotes mold growth and aggravates asthma symptoms, while too-dry air can lead to skin and throat irritation.