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- Four Fueling Tips To Extend Endurance
- Why Your Sports Drink Should Contain Antioxidants
- How To Prevent Post-Exercise Muscle Soreness
- What Causes Muscle Memory?
- Sleep Longer, Run & Bike Faster
- Preventing Weight Gain As You Age
- Start Your Nutrition Before Your Workout
- What Really Causes “Runner’s High”?
- Eat Your Calories Early and Stay Thinner
- Hydration Tips for Maintaining Endurance
- Can Vitamin C Help Maintain Muscle Mass?
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WATCH: Dr. Portman's Father's Day Skydive With 2nd Surge
Posted by Dr. Robert Portman on 6/25/2018
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Avoid GI Upset
Posted by Dr. Robert Portman on 6/25/2018
to Performance Tip Of The Week

The Myth Of Long-Acting Carbohydrates
Posted by Dr. Robert Portman on 6/18/2018
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New Tool To Calculate Your Fluid And Nutrition Workout Needs
Posted by Dr. Robert Portman on 6/11/2018
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Insulin And Lean Body Mass
Posted by Dr. Robert Portman on 6/4/2018
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