Researchers Rahul Srinivasan and Michelle Hook from Texas A&M University are investigating the transition from mild cognitive impairment (MCI) to dementia, a critical period that could hold the key to delaying Alzheimer’s disease. With 20% of individuals over 60 worldwide experiencing MCI, the research aims to understand why some progress to dementia while others remain stable. Current estimates suggest that 40% to 50% of those with MCI eventually develop Alzheimer’s disease or related dementias, leading to increased care needs for both individuals and caregivers. The study emphasizes the importance of the ventral tegmental area (VTA) in this transition and employs cytisine, a drug used for smoking cessation, as a tool to explore nicotine-related signaling pathways affecting brain health. By focusing on early intervention, the researchers hope to redefine dementia prevention, potentially preserving independence and alleviating strain on healthcare systems. The project is supported by a seedling grant from the Texas A&M Health Dementia and Alzheimer’s Research Initiative (DARI), which encourages collaborative, interdisciplinary research.