FROM OUR EXPERTS
A few weeks back the New York Times ran a column in their health section called "The Claim: It's a Cold. No, It's an Allergy." Guess what? Symptoms of seasonal allergies and colds overlap. The column looks to new studies to tell the actual difference; however common sense tells us the difference with or without clinical trials.
How are they different?
According to the New York Times: " The first is the onset of symptoms. Colds move more slowly, taking a day or longer to set in and gradually worsening - with symptoms like loss of appetite and headache - before subsiding after about a week and disappearing within 10 days. But allergies begin immediately. The sneezing is sudden and overwhelming, and the congestion, typically centered behind the nose, is immediate. Allergy symptoms also disappear quickly - almost as soon as the offending allergen, like pollen, is no longer around.
Then there are hallmark symptoms of each. Allergies virtually always cause itchiness in the eyes, the n...
Definition Bronchiolitis is swelling and mucus buildup in the smallest air passages in the lungs (bronchioles), usually due to a viral infection. Causes, incidence, and risk factors Bronchiolitis usually affects children under the age of 2, with a peak age of 3 - 6 months. It is a common, and sometimes severe illness. Respiratory syncytial virus (RSV) is the most common cause. Other viruses that can cause bronchiolitis include: Adenovirus Influenza Parainfluenza The virus is transmitted from person to person by direct contact with nasal fluids, or by airborne droplets. Although RSV generally causes only mild symptoms in an adult, it can cause severe illness in an infant. Bronchiolitis is seasonal and appears more often in the fall and winter months. It is a very common reason for infants to be hospitalized during winter and early spring. It is estimated that by their first year, more than half of all infants have been exposed to RSV. Risk factors include: Exposure to cigarette smoke Age younger ...
Chronic bronchitis is a lung disease that causes a cough with increased mucus production for at least three months in two consecutive years. It generally falls under the category of chronic obstructive pulmonary disease, or COPD.
The most common cause is cigarette smoking, although the inhalation of irritants at work, air pollution and lung infections may also cause it. Considering most people develop this disease due to exposure to cigarette smoke, one might wonder: Why does smoking cause chronic bronchitis?
To best answer this question it’s helpful to understand the basics of airway anatomy, which is covered in the pithy post “ Your Journey Down the Respiratory Tract .” Knowledge of lung anatomy is helpful because long-term exposure to inhaled cigarette smoke may cause changes inside the airways. These changes may include:
1. Bronchial mucous glands become bigger : This causes increased mucus or secretion production...
You should know
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