Author

Callum Hartmann Page 6

Callum Hartmann is a senior writer at Biology Insights specializing in dermatological health. Living in Tacoma, Washington, he applies scientific training to explain surface symptoms affecting the skin, nails, and lips. Hartmann worked on a fashion magazine copy desk and studied science journalism, having received a bachelor’s degree in communications.

Why Is the Area Around My Lips Dry?Skin & Hair
Why Is There a Black Dot on My Tongue?Dental
Why Are My Fingernails Blue? Causes and When to Worry Skin & Hair
What Happens When You Lick Your Lips Too Much?Skin & Hair
Can Low Iron Cause Skin Discoloration?Skin & Hair
Why Are My Eyelashes Turning White?Skin & Hair
Why Is There a Dark Spot on My Lip?Skin & Hair
How to Identify Smoker’s Lips: Signs and Causes Skin & Hair
Why Are My Lips Orange? Reasons for Lip Discoloration Skin & Hair
Why Is There a Red Ring Around My Lips?Skin & Hair
What Is Macular Amyloidosis? Causes and Treatment Skin & Hair
What Causes Sanpaku Eyes? Medical and Physiological Reasons Eyes & ENT
Why Do My Lips Get Bigger When I Cry?Skin & Hair
How to Treat an Allergic Reaction on Your Lips Immunity
Why Is My Forehead Squishy? Causes and When to Worry Skin & Hair
How to Get Rid of Orange Tongue: Causes & Prevention Skin & Hair
What Is Melanonychia? Causes, Symptoms, and When to Worry Skin & Hair
Can Liver Disease Affect Your Nails?Gut & Kidney
Why Do I Get Pimples on My Tongue?Dental
Why Does Kiwi Hurt My Mouth? It’s Not Always an Allergy Nutrition
What Is a Gin Blossom Nose & Is It Caused by Alcohol?Skin & Hair
Why Are Both Sides of My Face Different?Skin & Hair
Can You Get a Mole on Your Tongue? What to Look For Skin & Hair
Why Is My Upper Lip Discolored? Causes and Treatments Skin & Hair
How to Treat Sun Poisoning on Your Lips Safety
How to Get Rid of a Blood Clot on Your Lip Skin & Hair
How to Heal a Sun Blister on Your Lip Skin & Hair
Why Is One Leg Darker Than the Other?Skin & Hair
Why Did I Wake Up With a Triple Eyelid?Eyes & ENT
What Deficiency Causes Dark Eyelids?Skin & Hair