Best Heart Rate Monitor Reviewed by Science

Posted by Anthony Luke MD, MPH on April 22, 2022

The Starting Line:  What has research shown to be the best wearable for monitoring heart rate?  As of 2021, there are many wearables on the market which make up a 47.89 billion dollar market.  Heart rate is an important output to measure since it's used to calculate many formulas related to exercise.  Examples of calculations using heart rate include how hard you're training, calorie expenditure, ...

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Caffeine and Running

Posted by Janine Wong MS, RD on December 10, 2012

The Starting Line:  Does caffeine improve running performance?   Caffeine is a safe and naturally occurring drug, well known for its “energy boosting” properties. Many beverages and foods naturally contain caffeine, and it is a popular additive in energy and sport drinks and gels (see table below). Caffeine is absorbed rapidly via the stomach lining, peaks in the blood in 30 minutes to 2 hours,...

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