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.
Many changes take place in the brain of a person with Alzheimerâs disease. Some of these changes can be observed in brain tissue under the microscope after death. The three abnormalities most evident in the brains of people who have died with the disorder are: Amyloid plaques.