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Images used in this article are reprinted with permission from the journal ACS Sensors

Shes planning to take her next post in Afghanistan when the White House comes calling with a change of orders, sending her to London as the US ambassador to the United Kingdom

Common causes Acute Cough Common cold Influenza (flu) Inhaling an irritant (such as smoke, dust, chemicals or a foreign body) Pneumonia Whooping cough Common causes Chronic Cough Allergies Asthma (most common in children) Bronchitis Gastroesophageal reflux disease Postnasal drip Others Causes of Cough: Acute sinusitis (sinus infection) Bronchiectasis (a chronic lung condition in which abnormal widening of bronchial tubes inhibits mucus clearing) Bronchiolitis (especially in young children) Choking: First aid (especially in children) Chronic sinusitis COPD exacerbation Croup (especially in young children) Cystic fibrosis Emphysema Heart failure Laryngitis Lung cancer Medications called angiotensin-converting enzyme (ACE) inhibitors Neuromuscular diseases that weaken the coordination of upper airway and swallowing muscles Pulmonary embolism (blood clot in an artery in the lung) Respiratory syncytial virus (RSV) especially in young children Sarcoidosis (collections of inflammatory cells in the body) Tuberculosis Treatments Treatment isnt always necessary for short-term coughs because its likely to be a viral infection that will get better on its own within a few weeks

Even a few feet matters, especially with marijuana smoke