Twice a day for 90 minutes, Margaret Friesl straps on a device that shoots electromagnetic pulses into her knee.
The 72-year-old is using the device as part of a research study at The Rubin Institute for Advanced Orthopedics at LifeBridge Health. Doctors want to determine if using the pulses to reduce inflammation in the knee can reduce pain from arthritis and even promote cartilage production.
The study needs older participants like Friesl because they most often suffer with arthritis, but finding elderly participants for medical trials can be difficult.
"Older people are disproportionately affected by a lot of the diseases that are being studied, but they are...