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Physiology Friday #215: Sitting Less Improves Blood Pressure

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. When we are standing up or walking around (ambulating), our muscles contract to maintain posture and blood flow increases to meet the metabolic demands of the muscles.

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Physiology Friday #237: An Evolutionary Perspective on Why Exercise Promotes Longevity

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. What physiological mechanisms make moderate to high levels of activity so favorable, especially in our modern environment? This week, I’m sharing one of my favorite articles I’ve ever written.

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Why Nighttime Light Exposure is So Harmful for Cardiovascular Health

Physiologically Speaking

Our body’s physiological processes oscillate on a 24-hour cycle known as the circadian rhythm. Circadian rhythms in blood pressure and heart rate, among other functions, are crucial for cardiovascular health and preventing cardiovascular disease. In general, light exposure increases nighttime blood pressure and heart rate.

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Physiology Friday #230: Cutting Sugar vs. Cutting Carbs for Cardiometabolic Health

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. Resting metabolic rate, overnight heart rate, and overnight systolic and diastolic blood pressure were unaltered by carbohydrate or sugar restriction. No surprises here. That’s a sweet conclusion.

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Physiology Friday #197: Do Morning Workouts Maximize the Cardiometabolic Benefits of Exercise?

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. Clinically, about 1/3 of adults have metabolic syndrome — a cluster of conditions including abdominal obesity, high blood pressure, high blood glucose, high triglycerides, and low HDL cholesterol.

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Physiology Friday #197: Do Morning Workouts Maximize the Cardiometabolic Benefits of Exercise?

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. Clinically, about 1/3 of adults have metabolic syndrome — a cluster of conditions including abdominal obesity, high blood pressure, high blood glucose, high triglycerides, and low HDL cholesterol.

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Physiology Friday #196: Resistance Training and Heart Health

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. For adults with overweight and obesity, resistance exercise increases lean body mass and reduces body fat percentage and fat mass — improving overall body composition.