Its all that sulfur.
Why the coughing?
Word I keep hearing is this:
Parkinson’s Disease: Parkinson’s disease can sometimes cause coughing because people with the condition have difficulty clearing their throat.
https://www.newsmax.com/newsfront/hillary-clinton-cough-health/2016/09/09/id/747564/
Oh, and remember her medical handler during the campaign? Large black dude?
He’s dead.