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 pneumonia ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

The central theme of this Review is how the respiratory immune system maintains a strong defence against incoming pathogens, while avoiding the pathogenic consequences of inappropriate responses to ...

Oct. 24, 2025 Researchers uncovered how lung cells decide whether to rebuild tissue or fight infection. This built-in “switch” may be the key to restoring the lungs’ natural repair ability. The ...

The playwright Bertolt Brecht was born in 1898 in the German town of Augsburg. After serving as a medical orderly in the First World War and appalled by the effects of the war, he went first to Munich ...

\(\frac {2} {7}\) or 'two sevenths' means two parts out of seven. To find \(\frac {2} {7}\) of a value, you must first divide by 7 to find what \(\frac {1} {7}\) is worth, and then multiply by 2.