Dementia's subtle onset can begin years before diagnosis, with early signs like memory lapses, problem-solving issues, and mood changes. Researchers highlight that these subtle shifts, even in sensory perception or mobility, can predict future cognitive decline. Recognizing these indicators allows for crucial early intervention and lifestyle adjustments, offering a proactive approach to brain health.source https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/10-early-signs-of-dementia-that-appear-years-before-the-onset-of-the-disease/articleshow/125254098.cms