• Some patients have been reluctant to admit they vape, a critical piece of information for doctors to know.
  • The mysterious vaping lung disease has sickened more than 2,170 people and killed at least 42.
  • The illness, tentatively called EVALI, looks and sounds like pneumonia.
A person exhales vapor while using an electronic cigarette device in San Francisco.

There are two people you should never lie to, Dr. Michael Plisco tells patients, your lawyer and your doctor.

The critical-care pulmonologist at Mercy Hospital in St. Louis thinks a patient's lie may have cost his life when he turned up at the hospital after months of feeling ill. By the time Plisco saw man, who was in his 40s, his lungs were so stiff they couldn't push any fluid out, putting him at risk of cardiac arrest.