Symptoms and Diagnosis

Cancerous Moles vs. Normal Moles: A Visual Guide to Melanoma Warning Signs

April 17, 2026

Woman's back and neck showing multiple moles and freckles

Understanding Normal MolesNormal moles (benign nevi) are clusters of melanocytes, the pigment-producing cells in skin, that have grouped together rather than distributing [...]

Can Allergies Make You Feel Sick? Spring Allergy Symptoms That Mimic Illness

April 17, 2026

woman sitting on a bench outside with a tissue over her nose

Why Allergies Feel Like More Than a Runny NoseSeasonal allergies occur when the immune system identifies harmless substances, such as pollen or mold spores, as threats and [...]

Pain in the Back of Your Knee: What's Causing It and What to Do

April 17, 2026

Understanding Pain in the Back of Your KneeThat tightness or ache behind the knee can stop you mid-stride, interrupt your sleep, or make it painful to climb stairs. Pain in [...]

Moles vs. Birthmarks: What's Normal and What Warrants a Check

April 17, 2026

Close-up of a person's chest showing a large round brown birthmark or congenital mole

What Are Moles?Most people have spots on their skin they've never thought much about. A cluster of brown dots on the shoulder, a faint blue-gray patch on the lower back, [...]

Medial Knee Pain: Causes, Diagnosis, and Treatment for Active People

April 17, 2026

Woman sitting on a stool holding her painful, inflamed knee highlighted in red

Why Active People Develop Medial Knee PainThe medial (inner) side of the knee is under constant mechanical stress during sport and exercise. Running places roughly three [...]

Sun Poisoning Rash: What It Looks Like and How to Treat It

April 17, 2026

Sunburned back with sunscreen sun shape drawn on the shoulder at the beach

Understanding Sun Poisoning and Its Impact on SkinThat painful, blistering rash covering exposed skin after a day outdoors is more than just a bad sunburn. When the body [...]

Types of Eczema: Identifying Which One You Have and How to Treat It

April 17, 2026

A dermatologist examines a patient's forearm showing mild eczema patches in a bright modern clinic.

Recognizing Eczema: What Every Patient Should KnowThat persistent itch keeping someone awake at night might be more than dry skin. Eczema affects 31.6 million people in the [...]

Physical Symptoms of Anxiety: When Your Body Keeps the Score

April 17, 2026

A woman in a gray sweater sits in a waiting room looking distressed, with her hands on her head.

Why Anxiety Causes Physical SymptomsAnxiety is not a purely mental experience. When the brain detects a threat, it activates the sympathetic nervous system by releasing [...]

Lymphoma Rash: What It Looks Like and When to Get Checked

April 17, 2026

Dermatologist wearing a mask using a dermatoscope to closely examine the skin on a patient's hand.

What Is Lymphoma?Lymphoma is a cancer of the lymphocytes, the white blood cells that form a core part of the immune system. Because lymphocytes travel throughout the body via [...]

Signs of Melanoma: The ABCDE Rule and Beyond

April 17, 2026

Dermatologist examining moles on a woman's shoulder with a dermatoscope

Understanding Melanoma and the Importance of Early DetectionA small mole that changes shape over a few months can signal something far more serious than a cosmetic concern. [...]