In the time it took between when you clicked on the link to this article and when the page actually loaded, you almost certainly used your lungs. There are very few things you use more frequently than your lungs, as they are responsible for moving air in and out all day long, day after day.

Remember back in the good ol’ days, before the internet, when the only access we had to celebrity scandals (like who wore what, or who was caught cheating with so-and-so) were those incredibly educational magazines that lined the grocery store checkouts?

Medical mistakes not only injure more people than you think, they can be deadly. Recent research shows that—after heart disease and cancer—medical mistakes are the third leading cause of death in the US. More than accidents, strokes, lung disease and Alzheimer’s.

This gland is one of many that make up our endocrine system. Like many other glands within the endocrine system, the thyroid is controlled by another gland, called the pituitary.