
Blog author
Bernd Apfelbacher
Practitioner, educator and author for men’s health from lived experience
Bernd Apfelbacher is not a medical professional in the classical sense, and that is exactly what makes him so valuable for many men. As an experienced practitioner from real life, Bernd talks about topics many men would rather stay silent about: erectile problems, loss of libido, hormonal changes and quiet everyday suffering. Personal experience turned him into an educator. Honest, direct and solution-oriented.
After decades as a manager in the automotive industry, Bernd faced one of the biggest challenges in his marriage in his early 50s: withdrawal from intimacy, physical symptoms and the feeling of being alienated from his own body. Instead of resigning himself to it, he began a long, intensive search for answers. That journey led him through medical literature, personal experiments, conversations with doctors and finally to the founding of his blog potenzmittel.info, which is now considered one of the most authentic German-language resources on potency problems.
At streamcheck.io, Bernd adds his unique perspective to the team: he writes about potency disorders, libido, testosterone, supplements and mental health, always from the point of view of someone affected who knows how deeply the topic can influence partnership, self-image and quality of life. His texts are not medical jargon, but honest experience reports and well-founded recommendations that encourage and offer orientation.
Privately, Bernd lives with his wife in Aichwald in Swabia, is the father of three children and likes to spend his free time in the garden or playing cards with friends. His "little Bernd", as he writes with self-irony, has found his way back, and many men now benefit from the knowledge he gathered along the way.
Written articles
2026-07-04
Kidney health: the complete guide to function, care and prevention
What your kidneys do every day, which conditions can develop, and how nutrition, checkups and early detection support kidney health. A complete guide.
2025-08-04
Erectile dysfunction: causes, symptoms, and treatment options explained
Erectile dysfunction affects millions of men. Learn about the causes, symptoms, diagnosis, and modern treatment options for ED — and what you can do yourself.
2025-08-01
Bladder training for men: practical strategies for more control
Bladder training for men: proven exercises and strategies for urinary urgency and incontinence. Learn how to regain control of your bladder step by step.
2025-08-01
Foods to avoid with kidney disease: what to skip when your kidneys are weak
Which foods to avoid with kidney disease: how protein, potassium, phosphate, and sodium strain weak kidneys — plus practical tips for shopping and cooking.
2025-08-01
Orgasm frequency: how often is normal and healthy?
How often is an orgasm healthy? Learn what regular orgasms do for body and mind, what shapes your personal orgasm frequency, and whether an ideal number exists.
2025-08-01
Overactive bladder: when a constant urge to urinate runs your day
Learn what causes sudden urinary urgency, why it is common in men, and which everyday habits and treatment options can help with an overactive bladder.
2025-08-01
Pelvic floor exercises for men: more control, better quality of life
Effective pelvic floor exercises for men: simple daily training to reduce incontinence, strengthen a weak urine stream and improve bladder control at home.
Reviewed articles
2025-08-01
Alkaline urine: what your urine pH says about your health
A urine pH above 7 means your urine is alkaline. Learn what can cause it, how to measure your pH correctly with test strips, and when to see a doctor.
2025-08-01
Bladder pain in men: common causes and when to see a doctor
Bladder pain in men can have many causes, from bladder infections and urinary stones to prostate problems. Learn which symptoms matter and when to see a doctor.
2025-08-01
Bloody bladder infection in men: why blood in your urine doesn't have to mean panic
Blood in your urine is unsettling. Often the cause is a bloody bladder infection (hemorrhagic cystitis) — learn the warning signs and when to see a doctor.
2025-08-01
Dark yellow urine: what the color means and when to see a doctor
Dark yellow urine is often just a sign of dehydration. Learn the most common causes and when the color points to a condition that needs medical attention.
2025-08-01
Diuretic foods: natural ways to support your bladder function
Diuretic foods like asparagus, cucumber and watermelon can support your kidneys and bladder function naturally. Learn which foods help and how to use them.
2025-08-01
Hemoglobin in urine: what the red pigment in your urine means
Hemoglobin in urine can turn it red or brown. Learn what causes hemoglobinuria, how it differs from blood in the urine, and when to see a doctor.
2025-08-01
Ibuprofen and your kidneys: what you should know
Can ibuprofen harm your kidneys? Learn how the drug works, whether the liver or kidneys break it down, and which symptoms may point to kidney strain.
2025-08-01
Protein and kidney health: how much protein is safe for your kidneys?
Does a high-protein diet harm your kidneys? What the research says about protein intake and kidney function, and when higher amounts call for caution.
2025-08-01
Testosterone in men: what it does and why it matters
Testosterone shapes muscle, libido, mood, energy, bone and metabolism. Learn why the hormone matters for men and how to support your levels naturally.
2025-08-01
Urine smells like chlorine: what it means and when to act
Why does your urine smell like chlorine? Learn the common causes, from dehydration to urinary tract infections, and when the odor calls for a doctor's visit.
2025-08-01
Urine smells nutty: causes and when to see a doctor
Urine with a nutty smell can have many causes, from certain foods and dehydration to rare metabolic disorders. Learn what it may mean and when to see a doctor.
2025-08-01
Urine smells sour: causes and what it means
Sour-smelling urine can be caused by diet, dehydration, a urinary tract infection, or a metabolic condition. Learn what it means and when to see a doctor.
2025-08-01
Uroflowmetry at home: check your bladder health discreetly
How uroflowmetry (urine flow measurement) works at home: check your bladder health discreetly, understand your flow values, and know when to see a urologist.
2025-08-01
Weak urine stream: causes, symptoms, and what to do
A weak urine stream is common in men and often treatable. Learn what causes it, which symptoms to watch for, and how to gain clarity discreetly at home.
2025-08-01
Why does beer make you pee so much?
Beer makes you pee more than most drinks. Learn why alcohol, hops, and carbonation trigger frequent urination, whether non-alcoholic beer is better, and what helps.