The symptoms of Chronic obstructive pulmonary disease include coughing, shortness of breath, and fatigue

If you start to experience symptoms like chest pain, blue lips, or coughing up more than a teaspoon of blood, you should see ...
NPR

Your appendix is not, in fact, useless. This anatomy professor explains

It was the first day of spring break in 1992 in Phoenix, and 12-year-old Heather Smith was excited for her family's upcoming ski trip. But before Smith and her family had even packed their snow pants, ...