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.
Combined with postmortem analyses of brain tissue, these studies have demonstrated that people with AD have far more Ã-amyloid plaques in their brains than healthy people, at least as a general rule.