Susan Birch, Author at T NATION https://www.t-nation.com/author/susan-birch/ T Nation Articles Fri, 17 Mar 2023 20:51:34 +0000 en-US hourly 1 https://wordpress.org/?v=5.9.7 https://www.t-nation.com/wp-content/uploads/2019/08/favicon.ico Susan Birch, Author at T NATION https://www.t-nation.com/author/susan-birch/ 32 32 Tip: Stress and Heart Rate Variability https://www.t-nation.com/training/tip-stress-and-heart-rate-variability/ Fri, 22 Jun 2018 15:00:00 +0000 https://www.t-nation.com/uncategorized/tip-stress-and-heart-rate-variability/ A Good Way to Gauge Recovery Heart rate variability (HRV) is an excellent way to check your response to stress. There's considerable research on this topic and many devices available to do this. HRV is the measurement of time between each heart beat, and this is highly variable. Since our response to stress activates the

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]]> Tip: Inadequate Sleep and Thyroid Function https://www.t-nation.com/living/tip-inadequate-sleep-and-thyroid-function/ Thu, 21 Jun 2018 15:00:00 +0000 https://www.t-nation.com/uncategorized/tip-inadequate-sleep-and-thyroid-function/ If you're trying to lose fat, high quality sleep is essential. Regular sleep loss depresses the immune system. Even as little as one week of inadequate sleep disrupts blood sugar to the level of a prediabetic. The effects of stress and cortisol disruption often manifest as difficulty in falling asleep or problems staying asleep. Sometimes

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]]> Tip: Glucose Monitoring for Fat Loss https://www.t-nation.com/diet-fat-loss/tip-glucose-monitoring-for-fat-loss/ Tue, 19 Jun 2018 15:00:00 +0000 https://www.t-nation.com/uncategorized/tip-glucose-monitoring-for-fat-loss/ No matter how strict your diet or how consistent your training, certain stressors make it difficult for you to lose fat. One of these is out-of-range blood sugar. Using a glucometer to monitor your fasting blood sugar each morning will let you know if you're making energy through gluconeogenesis. Cortisol is released in a diurnal

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]]> Tip: This Can Stop Fat Loss https://www.t-nation.com/diet-fat-loss/tip-this-can-stop-fat-loss/ Mon, 18 Jun 2018 15:00:00 +0000 https://www.t-nation.com/uncategorized/tip-this-can-stop-fat-loss/ Gut Dysfunction and Stalled Fat Loss Gut issues are a major source of stress for the body, and digestive issues can stall efforts to lose body fat. Think gut problems aren't a big deal? They're a huge deal. Proper digestion and the absorption of nutrients is essential for fat loss. The body is a complex

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]]> Why You're Not Losing Fat https://www.t-nation.com/lean-built-eating/why-youre-not-losing-fat/ Wed, 06 Jun 2018 12:00:00 +0000 https://www.t-nation.com/uncategorized/why-youre-not-losing-fat/ Why Diets Stop Working Every fat-loss expert will tells you the key for success is calorie restriction and exercise. And there's no doubt these things work, especially for the beginner. But what if you're a fit person who's been following this advice, yet still struggles to lose body fat? While research shows that weight loss

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