It's so hard watching your best friend grow old. One of the worst parts about dog ownership is knowing that one day your precious friend will grow old, and possibly get sick, and eventually die. It's ...

Chronic bronchitis is a form of chronic obstructive pulmonary disease (COPD). Doctors consider COPD an umbrella term that also includes the medical condition emphysema. COPD is a serious medical ...

Non-obstructive chronic bronchitis (CB) is associated with an increased risk of mortality, but only in ever-smokers, not in those who never smoked, the first systematic review and meta-analysis of its ...