HARRISBURG — A small number of doctors approve an outsize share of medical marijuana cards in Pennsylvania, state health ...

The American Culture Quiz is a weekly test of our unique national traits, trends, history and people. This time, test your knowledge of Thanksgiving pardons, parade personalities and train travel.

Other tests are often used as well to classify and determine types of arthritis. HLA (human leukocyte antigens) typing Tested to determine compatibility in organ, tissue, and bone marrow ...