Visceral pain is often described as generalized aching or squeezing. It is caused by compression in and around the organs, or by stretching of the abdominal cavity. Sometimes visceral pain may radiate to other areas in the body, making it even harder to pinpoint its exact location.
Data from the largest analysis to date of amyloid plaques showed they can appear 20 or 30 years before dementia symptoms.
Amyloid Study. Patients with PD who had cognitive decline were included in another study that highlighted differences between AD and PD, led by Meghan C. Campbell, PhD, Departments of Neurology and Radiology, Washington University School of Medicine, St. Louis, Missouri.