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Medical Encyclopedia

Physician-led explanations of medical conditions, biological mechanisms, diagnostics, treatments, healthy ageing and emerging clinical research.

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Endolifting or RF Microneedling? How to Choose Skin Tightening Methods?

Medical Topic

Endolifting or RF Microneedling? How to Choose Skin Tightening Methods?

A guide comparing Endolifting and RF microneedling methods in terms of target tissue, skin laxity, adipose tissue, scars, recovery time, and current research.

Salmon DNA or Skinbooster? Comparison of PN/PDRN and Hyaluronic Acid

Medical Topic

Salmon DNA or Skinbooster? Comparison of PN/PDRN and Hyaluronic Acid

A comparative guide explaining the differences in mechanism, skin targets, and clinical research between salmon DNA/PN-PDRN and hyaluronic acid skinboosters.

What Is the Difference Between PN and PDRN? Understanding Salmon DNA Applications

Medical Topic

What Is the Difference Between PN and PDRN? Understanding Salmon DNA Applications

A clinical guide explaining the differences between PN and PDRN, the term “Salmon DNA”, and current research in skin rejuvenation and wound healing.

Red Light and Pain: How Is Photobiomodulation Used in Musculoskeletal Pain?

Medical Topic

Red Light and Pain: How Is Photobiomodulation Used in Musculoskeletal Pain?

A guide explaining the role of red light/PBM in musculoskeletal and neuropathic pain, dose, combination with exercise, and current systematic review data.

Red Light and Skin Rejuvenation: Wrinkles, Collagen, and Photobiomodulation

Medical Topic

Red Light and Skin Rejuvenation: Wrinkles, Collagen, and Photobiomodulation

A guide explaining the current clinical data on red light/PBM for skin rejuvenation, fine lines, collagen, and elasticity, as well as wavelength and dose differences.

Red Light and Hair Loss: How Is LLLT / Photobiomodulation Evaluated?

Medical Topic

Red Light and Hair Loss: How Is LLLT / Photobiomodulation Evaluated?

A guide explaining the role of red light/LLLT/PBM in hair loss, androgenetic alopecia data, wavelength, dose, differences between home and clinical devices, and patient selection.

Balance, Fall Risk, and Healthy Aging

Medical Topic

Balance, Fall Risk, and Healthy Aging

A healthy aging guide addressing muscle strength, gait, medications, blood pressure, vision, and environmental factors together in loss of balance and fall risk.

Cognitive Aging and Brain Health: What Is Important in Reducing Dementia Risk?

Medical Topic

Cognitive Aging and Brain Health: What Is Important in Reducing Dementia Risk?

A guide addressing modifiable factors such as physical activity, blood pressure, diabetes, hearing, sleep, and lifestyle in cognitive aging, forgetfulness, and dementia risk.

Sleep and Healthy Aging: Sleep Quality, Apnea, and Metabolic Health

Medical Topic

Sleep and Healthy Aging: Sleep Quality, Apnea, and Metabolic Health

A current clinical guide addressing the relationship between sleep duration and quality, sleep apnea, metabolic health, HRV, and healthy aging.

What Are Vascular Age and PWV? How Is Arterial Stiffness Measured?

Medical Topic

What Are Vascular Age and PWV? How Is Arterial Stiffness Measured?

PWV (pulse wave velocity), arterial stiffness, the concept of vascular age, measurement methods, device validation, and its role in cardiovascular risk assessment.

What Is HRV? Heart Rate Variability, Autonomic Balance, and Healthy Aging

Medical Topic

What Is HRV? Heart Rate Variability, Autonomic Balance, and Healthy Aging

What HRV indicates, metrics such as RMSSD/SDNN, measurement conditions with Polar H10 and similar devices, and the limits of clinical interpretation.

What Is Sarcopenia? Muscle Strength, Handgrip, and Healthy Aging

Medical Topic

What Is Sarcopenia? Muscle Strength, Handgrip, and Healthy Aging

Sarcopenia, loss of muscle strength, handgrip dynamometer, physical performance, and the assessment of muscle health in healthy aging.

What Is VO₂max? Cardiorespiratory Fitness and Healthy Aging

Medical Topic

What Is VO₂max? Cardiorespiratory Fitness and Healthy Aging

The relationship of VO₂max and cardiorespiratory fitness with health, how it is measured, the difference between estimated and direct measurement, and its role in longevity assessment.

How Is Biological Age Measured? PhenoAge, GrimAge, and Epigenetic Clocks

Medical Topic

How Is Biological Age Measured? PhenoAge, GrimAge, and Epigenetic Clocks

How is biological age measured? The meaning and limitations of clinical PhenoAge, epigenetic clocks, GrimAge, DunedinPACE, and functional measurements.

What Is Healthy Aging? Biological Age, Functionality, and Longevity

Medical Topic

What Is Healthy Aging? Biological Age, Functionality, and Longevity

The concepts of healthy aging, biological age, and longevity; the clinical significance of functional capacity, muscle strength, metabolic health, sleep, and biomarkers.

Ozone Therapy in Lymphedema: A Holistic Approach to Swelling, Tissue Hardness, and Lymphatic Circulation

Medical Topic

Ozone Therapy in Lymphedema: A Holistic Approach to Swelling, Tissue Hardness, and Lymphatic Circulation

← Ozone Therapy main guide In this guide Lymphedema is not just fluid · Differential diagnosis · Standard treatment · Human RCT · The role of ozone ·…

Ozone Therapy in Herpes Zoster and Postherpetic Neuralgia: Why Is Early Control of Nerve Pain Important?

Medical Topic

Ozone Therapy in Herpes Zoster and Postherpetic Neuralgia: Why Is Early Control of Nerve Pain Important?

← Ozone Therapy main guide In this guide Shingles is a neuropathic pain disease · The first 72 hours · Postherpetic neuralgia · 2026 meta-analysis · Interventional combinations…

Lumbar Disc Herniation and Ozone Therapy: The Difference Between Paravertebral and Intradiscal Ozone

Medical Topic

Lumbar Disc Herniation and Ozone Therapy: The Difference Between Paravertebral and Intradiscal Ozone

← Ozone Therapy main guide In this guide MRI and symptom correlation · Paravertebral ozone · Intradiscal ozone · 2025 meta-analysis · Surgical indications · New combination data…

Ozone Therapy in Diabetic Foot: A Holistic Approach to Wound, Infection, and Tissue Healing

Medical Topic

Ozone Therapy in Diabetic Foot: A Holistic Approach to Wound, Infection, and Tissue Healing

← Ozone Therapy main guide In this guide Why is the diabetic foot complex? · Initial evaluation · Local methods · Evidence · Ischemia and neuropathy · Off-loading…

Intravesical and Vesico-Urethral Ozone: An Investigated Approach in Interstitial Cystitis and Bladder Pain Syndrome

Medical Topic

Intravesical and Vesico-Urethral Ozone: An Investigated Approach in Interstitial Cystitis and Bladder Pain Syndrome

← Ozone administration methods In this guide Bladder pain syndrome · How is it administered? · Human study · Limitation of evidence · Guideline status · Distinction from…

Ozonated Water: How Is It Prepared and How Is It Used on Wounds, Skin, and Mucosa?

Medical Topic

Ozonated Water: How Is It Prepared and How Is It Used on Wounds, Skin, and Mucosa?

← Ozone application methods In this guide What is ozonated water? · Stability · Wound care · Oral mucosa · Oral and surgical sites · Difference from ozonated…

Ozone Bagging Therapy: Application in Chronic Wounds, Diabetic Foot, and Local Infections

Medical Topic

Ozone Bagging Therapy: Application in Chronic Wounds, Diabetic Foot, and Local Infections

← Ozone administration methods In this guide How is it performed? · Respiratory safety · Targets on the wound surface · Human data · If the wound does…

Ozone Therapy Before and After Hair Transplantation: Scalp and Tissue Support

Medical Topic

Ozone Therapy Before and After Hair Transplantation: Scalp and Tissue Support

← Ozone application methods In this guide Key determinants of hair transplant success · Preoperative approach · Postoperative approach · Human data · Androgenetic alopecia · Scalp seborrhea…

Skin and Aesthetic Ozone Applications: Skin Quality, Regeneration, and Local Ozone Approach

Medical Topic

Skin and Aesthetic Ozone Applications: Skin Quality, Regeneration, and Local Ozone Approach

← Ozone application methods In this guide Biological approach · Application principle · Combination with PRP · Crow’s feet and fine wrinkles · Safety · Combination approach Biological…