Participating in Dementia Clinical Trials and Research Studies as a Caregiver As a dementia caregiver, you’ve most likely seen references to research studies, surveys and clinical trials when researching your loved one’s condition. Whether it’s the World Health Organization’s statistic that 55 million people around the world have dementia or the suggestion that exercise and a healthy diet can lower the risk of developing dementia, most of what we know about the disease comes from rigorous research. Read more