We’ve written about how obesity and/or diabetes are associated with poorer cognitive function and midlife, and more dementia in the elderly. Saving my brain has been one of my motivators in losing and maintaining weight.
Green tea has less caffeine than coffee or regular tea. That caffeine helps to suppress appetite. Other chemicals in green tea may produce other benefits:
The constituent in green tea, epigallocatechin gallate (EGCG), was recently shown to enhance learning and memory in rats with suboptimal blood sugar metabolism. Previous research indicates that green tea has significant antioxidant and free-radical scavenging activity as well as blood sugar balancing properties.
The study authors concluded that green tea EGCG dose-dependently could enhance cognitive health in rats with suboptimal blood sugar metabolism through attenuation of oxidative stress and modulation of nitric oxide.
I drink unsweetened green tea every day and believe it has been a key part of my 120 lb weight loss.