Nitrate-Rich Diet, Sugar, and Their Impact on Cognitive Decline, Oral Microbiome, and Overall, Health.

Cognitive decline is influenced by various factors, including diet, oral and gut microbiome health, vascular function, and systemic inflammation. This paper examines the contrasting effects of nitrate-rich diets and high sugar consumption on brain health. While nitrate-rich foods enhance nitric oxide (NO) production, supporting vascular and cognitive functions, excessive sugar intake disrupts glucose metabolism, damages the microbiome, and accelerates neurodegeneration. We review clinical studies, present relevant data through tables and graphs, and discuss strategies to optimize diet and microbiome health to prevent cognitive decline.