Your cough, runny nose, and fatigue may resemble the flu or a common cold. However, it's essential to recognize that these ...

Respiratory tract diseases are illnesses that affect components of the respiratory system, including the nasal passages, the bronchi and the lungs. They range from acute infections, such as ...

Increased mucus production right after quitting smoking may be a positive sign that your respiratory system is recovering. According to the CDC, 1 in 4 deaths in the U.S. result from ...