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Heart Rate Variability: What It Is and Why It’s Important

When a doctor measures your heart rate, he or she will usually give you a number, typically between 60 and 90 beats per minute. Yet your heart does not beat like an unchanging metronome, i.e., the intervals vary between one heartbeat and the next. Heart Rate Variability (HRV) is the beat-to-beat variation in consecutive heartbeats…

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How to Eat Mindfully at Restaurants (and Keep Your Hormones in Balance)

Who doesn’t love restaurants? The average American family spends 40 percent of their food budget on foods from restaurants. Typically, eating out adds 134 calories per day to the diet. Someone else serves you, then does the dishes! What’s not to love? Well, there’s a lot. Restaurant food is served in large portions (except maybe…

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Why High-Intensity Burst Exercise May Be Better For Your Brain

I’m a runner and have always enjoyed the “high” I get from it. I first ran after my freshmen year of college, determined to drop the freshman 15. Then I ran in medical school because it was so efficient and helped me problem solve. Then I ran as a young mother who didn’t have much…

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Today Show Appearances

Dr. Sara (Gottfried) Szal MD