Dr. Gregory K. Popcak PH.D.

Recommended Articles

• Physical Activity Benefits Knees

  Results from a new study contradict earlier reports that exercise may not be beneficial for the knees. According to the new study, there is no doubt that exercise improves knee cartilage and the overall knee health. The researchers do agree that exercise is linked with increased chances of bony...

• What Is Rubella?

  Commonly known as German measles, Rubella is an infection caused by a virus and its symptoms include red rashes on the body along-with fever, headache, muscle pain, a runny nose. Sometimes, swollen nymph nodes can also be seen. It is a contagious infection and can spread from one person to...

• Why are my Gums Bleeding?

  Bleeding gums can result from a number of other health conditions, and can also result from vigorous brushing of the teeth or even wearing dentures that don’t fit correctly.The most common causes of bleeding gums include:...

• Overcoming Lymphoma: A South Philly Student's Story

  In April of 2018, 18-year-old Alexis Carine was diagnosed with Hodgkin’s lymphoma (HL), a blood cancer that begins in the lymphatic system. Her diagnosis was stage II HL, a cancer found in two or more lymph node areas, and both are either above or below the diaphragm (the muscle located just...

• What are Eye Floaters?

  Eye floaters are small, moving specks on the eyeball that often occur in one's field of vision. These grey or black dots, become more prominent while looking at a bright object. If the floaters are large they may shadow vision, but in most cases, eye floaters are harmless. People often neglect or...

• What Causes Middle Back Pain?

  Middle back pain, also known as upper back pain or thoracic back pain occurs anywhere between the bottom of the neck to the top of the lumbar spine, where the rib cage ends. The ribs are connected to the sternum (a narrow thickened plate in the center of the chest) and then wrap round the...