Pediatricians at Penn State Health Children’s Hospital are seeing an unusually high number of pneumonia cases this week. They are also seeing a lot of colds, stomach bugs, and upper respiratory ...

The increase in parasympathetic activity causes nasal turbinate vasodilation and blood pooling, obstructing the nasal lymphatic drainage and flow of CSF and its associated waste products through the ...

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If your cold symptoms won't quit, you may have something else. Doctors explain what it could mean if you've got a lingering ...

Epiphora is often caused by tear film and ocular surface problems rather than by anatomical obstruction of lacrimal drainage. A thorough history can lead to information regarding medications that ...

Whooping cough (also known as Pertussis) is a highly contagious respiratory illness that affects only humans. While it can affect people of all ages, it can be more dangerous for younger, elderly, or ...