Pet peeves of little experiments like this of carb cutting. Cutting carbs causes you to shed a lot of water weight. Also if the exercise is new it is quite possible that is the bigger factor in improving perceived cognitive ability. If you changed multiple things and started paying closer attention to diet it is really hard to pin down what actually helped the most.
Vigorous exercise helps clear waste along with sleep, not much else really clears things out -- brain seems more and more to be a part of, or similar to, the lymph system.
edit: also most people who do 18 hour fasts report feeling energized, better concentration, etc,. especially if they have caffeine on an empty stomach.
Vigorous exercise helps clear waste along with sleep, not much else really clears things out -- brain seems more and more to be a part of, or similar to, the lymph system.
edit: also most people who do 18 hour fasts report feeling energized, better concentration, etc,. especially if they have caffeine on an empty stomach.