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STI Prevention and Screening: What Everyone Should Know
Sexually transmitted infections (STIs) affect millions of people annually. In the United States, approximately 20 million new STI cases occur each year, with young adults aged 15-24 accounting for half of them. Many STIs have…
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Low Testosterone: Symptoms, Diagnosis, and Evidence-Based Treatments
Testosterone is the primary male sex hormone, but it does far more than regulate sexual function. It influences muscle mass and strength, bone density, fat distribution, red blood cell production, mood, and energy levels. When…
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Menopause and Sexual Health: Managing Changes and Maintaining Intimacy
Menopause marks the end of menstrual cycles, officially diagnosed after 12 consecutive months without a period. The average age of natural menopause is 51, though perimenopause—the transition period—can begin years earlier. The hormonal changes of…
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Erectile Dysfunction: Causes, Lifestyle Treatments, and When to See a Doctor
Erectile dysfunction (ED) is the persistent inability to achieve or maintain an erection sufficient for satisfactory sexual activity. It affects approximately 30 million men in the United States, with prevalence increasing with age. Importantly, ED…
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Sexual Health Throughout the Lifespan: What Changes and What Doesn’t
Sexual health is a fundamental component of overall well-being across the entire lifespan. Yet many people lack accurate information about how sexual function, desire, and health change with age. Understanding these normal changes can reduce…
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Ischemic vs. Hemorrhagic Stroke: Understanding the Differences and Treatment Approaches
Stroke is the fifth leading cause of death in the United States and a major cause of long-term disability. Understanding the two main types—ischemic and hemorrhagic—is essential for recognizing symptoms, seeking appropriate emergency care, and…
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The Brain-Gut Axis: How Your Digestive System Influences Mental Health
The brain-gut axis is a bidirectional communication network linking the central nervous system (brain and spinal cord) with the enteric nervous system (the “second brain” in your gut). This connection explains why stress can cause…
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The Science of Anxiety: Understanding the Difference Between Normal Worry and Anxiety Disorders
## Introduction Anxiety is the most common mental health condition worldwide, affecting approximately 284 million people. Yet anxiety is also a normal, adaptive emotion that has protected humans from danger throughout evolutionary history. The line…
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The Science of Sitting: How Sedentary Behavior Affects Your Health and What to Do About It
## Introduction: Sitting Is the New Smoking? The phrase “sitting is the new smoking” oversimplifies a complex issue, but the underlying science is concerning. The average American adult sits for 9-10 hours daily—commuting, at work,…
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