Kara Lofton

Kara Lofton / West Virginia Public Broadcasting

U.S. Senator Bernie Sanders attended a rally Sunday in Charleston billed as an effort to “protect our health care.” Supporters demanded that Sen. Shelley Moore Capito, R-W.Va., vote against the latest U.S. Senate health care bill.

At the Pulmonary Rehabilitation Clinic in Scarbro, W.Va., oxygen tubes dangle from the noses of three miners slowly pedaling on stationary bikes. All of these men have black lung — a disease caused by breathing in coal dust. Over time, the dust coats the lungs and causes them to harden. Hard lungs don't easily expand and contract, and that makes it difficult to breathe.