You can help reduce your risk of memory loss by making a few tweaks to your diet and lifestyle.What's the top cause of memory loss? Age? Genetics? According to Dr. Steven Masley, author of The Better Brain Solution: How to Sharpen Cognitive Function and Prevent Memory Loss at Any Age, the number-one reason for decreased cognitive performance is actually insulin resistance. Thankfully, you can help reduce your risk by making a few tweaks to your diet and lifestyle. Dr. Masley reveals the brain toxin, nitrosamine, that's lurking in your favorite foods and how the Mediterranean diet can help you avoid it. Plus, learn the neurological dangers of eating too many refined carbs and sugars, and discover some healthy foods you should eat instead. Bonus Alcohol and Cancer: What's the Connection?