The 51-year-old patient had recently been fitted with a tracheostomy tube in her neck.
The president was discharged from the Walter Reed National Military Medical Center "though he may not entirely be out of the woods yet," according to his physician Dr. Sean Conley.
The man was coughing up blood before he visited a hospital in Rhode Island.
"It just destroys the lungs," Dr. Jon Thogmartin said.
Andrei Goverdovsky, from the state nuclear agency Rosatom, said components can be inhaled to emit UV light directly onto the lungs.
And why does it feel so much worse than a cold?
A woman who went to an acupuncturist to seek relief from a wrist injury ended up with two punctured lungs, according to a new report from New Zealand's Health and Disability Commissioner.
Entrepreneur Sukhmeet Singh is buying the straw Indian farmers used to burn and is turning it into fuel and other products— dramatically reducing pollution in the process.
Scientists warned efforts to tackle air pollution that have saved the lives of Americans are under threat from Trump administration policies.
"I had thought fresh fruits were very nutritious and it would not do me harm by injecting them into my body," the woman reportedly said.
Use of tear gas is prohibited in war, yet it is regularly used against civilian populations around the world.
This is believed to be the first case of a patient passing cancer on to four recipients.
The work shows "how important serendipity is for evolution."
New method scraps ice for a system that mimics the human body, keeping organs vital indefinitely.