As the seasons change and cold weather approaches, we enter one of the most challenging times of year for our bodies and immune systems: Cold and flu season. This time of year, it seems like everyone around us is falling victim to runny noses, coughs, fevers, and any number of other symptoms being passed around. … Read More

At the most basic level, the respiratory system is a site of gas exchange between the lungs and the outside environment. This exchange delivers oxygen through the blood vessels to all the organs, muscles, and tissues in the body, and removes carbon dioxide. The respiratory system is much more complex, however, than simply inhaling oxygen … Read More