Mudskippers break the rules of fish biology by breathing through their skin, walking on their fins and thriving on land where water disappears twice a day.

When you and I take a deep breath, we pull air into our lungs. That’s because humans are mammals. But fish aren’t mammals. They usually don’t breathe air. They usually don’t have lungs. That’s what I ...

If you want to improve your overall health, your lungs must be healthy. An improper diet, smoking, and other toxins can ...