What’s more, a parched body may push your immune system to release more histamines. These chemicals swell your nose and make more mucus, which can set off a cough. If you're sick, stay hydrated. This ...

We all cough. You can have a mild cough that can be annoying or a severe cough that can be so harsh it can break a rib. Experts say coughing is the top reason people see a doctor — more than 30 ...

Whooping cough (pertussis) is a respiratory tract infection that’s caused by the bacterium Bordetella pertussis. While teens and adults often recover from whooping cough without many problems, infants ...