In this episode, our guest is endocrinologist Prof. Dr. Harald Schneider. We discuss the multifaceted influence of hormones on the human body, including their effects on stress, mental health, and weight, as well as the causes and diagnosis of testosterone deficiency.
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#102 - RED-S: When Your Body Doesn't Get Enough Energy | Timo Tekolf on Men's Health
In this episode of the Men's Health Podcast, Dr. Jonathan Apasu speaks with sports scientist, personal trainer, and certified health coach Timo Tekolf about a highly relevant yet often overlooked topic: RED-S, Relative Energy Deficiency in Sport. This refers to a relative energy deficiency that occurs when the body consistently receives less energy than it needs for daily activities, training, recovery, hormones, the immune system, and basic metabolic processes.
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#83 - Overweight: Causes, Risks & Weight Loss | Prof. Harald Schneider at Men's Health
Overweight and obesity have become one of the biggest health problems in our society in recent decades. In this in-depth podcast interview, endocrinologist Dr. Harald explains why more than half of adults in Germany are now considered overweight and why these numbers continue to rise. Men are particularly affected. The episode shows why the Body Mass Index (BMI) alone is not a reliable health marker and why the waist-to-height ratio (WHR) is a significantly better predictor of disease risk. A central topic is visceral fat, the fat surrounding the internal organs. This adipose tissue is hormonally active, promotes chronic inflammation, and impairs blood sugar, fat, and hormone metabolism. The consequences include high blood pressure, insulin resistance, type 2 diabetes, heart attack, stroke, and an increased risk of cancer. Hormonal disorders such as testosterone deficiency in men or polycystic ovary syndrome (PCOS) in women are also explained in detail. Another focus is on the role of muscle mass. Muscle improves insulin sensitivity, increases basal metabolic rate, and is one of the most important factors for healthy aging and longevity. Muscle loss, for example through improper weight loss, significantly accelerates the aging process and increases the risk of weight regain. Modern weight-loss medications such as GLP-1 agonists, for example semaglutide or tirzepatide, are discussed in detail. These medications act on the hunger centers in the brain, slow down gastric emptying, and help people with obesity to lose weight sustainably. Studies show weight reductions of 15 to 20 percent as well as significant improvements in blood sugar, cholesterol, blood pressure, and cardiovascular risks. At the same time, the discussion critically examines why these medications are not a lifestyle product, what side effects exist, and why medical supervision is essential. The central conclusion of this episode is clear: sustainable weight loss only works holistically. Medication can be supportive, but only in combination with strength training, sufficient protein intake, and long-term lifestyle changes. This episode provides sound medical knowledge, puts current fads into perspective, and shows what genuine health improvement can look like beyond diets and the scale.
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