Those who limit healthy carbohydrates for a prolonged period have been shown to demonstrate mental lethargy and increased general fatigue as the first symptoms.
It amazes me how little attention the value of balanced pH has garnered from the mainstream medical world. Positive acid/alkaline balance is one of the most important factors in athletic performance.
As a professional endurance athlete I have had to learn to deal with high levels of stress.
Building strength to improve running efficiency.
Do you have difficulty waking up in the morning and find that you have low energy all day long? Are you unable to concentrate at work, feel sluggish and depressed?
The Vegan Nutrition Guide to Optimal Performance in Sports and Life
by Brendan Brazier