Smoking disrupts this process. (Photo Credit: Science Photo Library/Getty Images) When you exhale, your lungs remove carbon dioxide from your blood in a process called gas exchange. Smoking throws ...

But the press of evidence grew, and talk of imposing health warning label requirements began ... as they are in many countries today: images of smokers’ lungs, decayed teeth, people dying ...

Toxic chemical burns may be behind the hundreds of vaping-linked illnesses spiking across the country, according to new images of lung tissue taken from people who got sick after vaping.