Effects of Endurance Running in Pre-teens
Posted by Anthony Luke MD, MPH on February 26, 2013
The Starting Line: Should pre-teen athletes run endurance events? Recent debate has flared over what age is appropriate for children to start participating in marathons and half-marathons. In the past, runners had to be 18 years old, but now most races allow younger athletes to participate. So far these younger runners seem to have participated without abnormal health risks, but some argue that it is be...
Staying Hydrated during Exercise
Posted by Janine Wong MS, RD on February 18, 2013
Part 3 of a 3 part hydration series The Starting Line: What is the best way to stay hydrated during exercise? Staying hydrated during exercise is important for physiological safety and for performance. Once you’ve assessed your individual fluid needs, the next step is to develop your hydration plan. Before Exercise: Ideally, when starting an exercise session, you should be in a state of norma...
Over Hydration and Hyponatremia
Posted by Janine Wong MS, RD on February 11, 2013
Part 2 of a 3 part hydration series The Starting Line: How can I prevent exercise associated hyponatremia? Exercise associated hyponatremia was first documented in the 80’s by Noakes and colleagues, and was called “water intoxication”. Hyponatremia means low (hypo) sodium (natre) in the blood (mia). Specifically a blood sodium concentration below 135 mEq/L defines hyponatremia...
Assessing your hydration needs
Posted by Janine Wong MS, RD on February 4, 2013
Part 1 of a 3 part hydration series The Starting Line: How can I tell if I am dehydrated? It is an undisputed fact that hydration is important in daily activities, and especially in exercise. Dehydration resulting in a 2% change in body weight has been demonstrated to impact aerobic performance. Physiological consequences include increased strain on the body during exercise, increased heart rate and ...
Breakfast and Weight Loss
Posted by Janine Wong MS, RD on January 21, 2013
The Starting Line: What type of breakfast is the most beneficial for weight loss? Breakfast is the most important meal of the day. It has become a cliche, but years of research support it. However, the frequency of skipping breakfast has increased from 14% in 1965 to 25% in 1991. Some people believe that cutting breakfast is an easy way to limit calories and lose weight. Studies have found that this str...
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