Dr. Alfred Samuel Callahan MD

What is Bell’s Palsy?Bell’s palsy is a medical condition that causes temporary weakness or paralysis of the facial muscles. This medical condition is named after the Scottish anatomist named Charles Bell. He was the first one to describe the condition. Bell's palsy usually happens when the...

Richard Kuppusamy is a man who has to constantly travel for his work. Every 3 weeks, Kuppusamy boards a plane bound for whatever destination in order to earn a living. The only problem is: Richard suffers from a rare condition called spina bifida, a malformation of the spine that renders the patient...

Scott Rohm has a unique therapy for his Parkinson’s Disease symptoms. His legs tremble, but this 56-year-old Millcreek Township gentleman doesn’t let his Parkinson’s disease get him down. He still drives his Corvette up to 168 miles an hour, racing a Mustang on the road. ...

The typical symptoms of Parkinson's disease revolve around muscle stiffness, involuntary tremors, and shaking that the patient cannot control by any means. Because of this, patients who suffer from this disease are severely limited in the activities they can perform. Tasks that require fine motor...

Duchenne muscular dystrophy is a rare genetic condition that affects one in 3500-5000 male children. It is a condition in which the muscles fail to produce enough dystrophin due to a genetic defect; dystrophin is essential to protect muscles from wear and tear. The deficit of dystrophin causes...

New Alzheimer’s research shows declining levels of serotonin—the brain chemical linked to memory—could trigger the start of dementia. The finding from Johns Hopkins University School of Medicine opens the possibility of staying the onset of dementia and Alzheimer’s Disease by preventing the...