As I ascended the steps to London Bridge station to meet a friend, I wasn’t just out of breath – I couldn’t seem to inhale enough air. My breathing was shallow. I felt so weak I had to keep stopping.

“I was a very heavy smoker,” the longtime DFL state lawmaker from New Hope said. “I started in high school and got addicted by college.” While studying in graduate school for an accounting test, “I ...

New research uncovers how heavy smoking rapidly disrupts blood and airway biology, revealing the hidden damage that accelerates disease risk in otherwise healthy adults. Study: The effects of heavy ...