Skin cancer & mole guides
125 evidence-based guides on skin cancer detection, mole monitoring, sun protection, and more.
Mole Concerns
Is My Mole Cancerous? A Dermatologist-Based Checklist
Worried about a mole? Walk the ABCDE checklist dermatologists teach, plus two ex...
I Damaged My Mole
Accidentally scratched off, cut, or damaged a mole? Step-by-step first aid, when...
Injured Mole Recovery
Scratched or cut a mole? Follow this day-by-day recovery timeline. Learn what is...
Itchy Mole
Most itchy moles are harmless: dry skin, friction or irritation. Itching togethe...
Bleeding Mole
Your mole is bleeding. Learn whether a bleeding mole is dangerous, the key diffe...
My Mole Is Changing
Your mole changed color, got bigger, or looks different. Learn which changes are...
New Mole After 30
A new mole appeared after age 30 and you are concerned. Learn which new moles ar...
What Does Skin Cancer Look Like? A Visual Guide
What does skin cancer look like on your skin? Learn to recognize melanoma, basal...
Sun Protection
Sunscreen Guide
Everything you need to know about sunscreen: SPF numbers, how much to apply, how...
UV Index Explained
What does UV index 5, 8, or 11 mean? Learn how to read the UV index, when sun is...
Sun Safety for Children
Children's skin is more vulnerable to UV damage. Learn age-appropriate sun prote...
Tanning Beds and Skin Cancer
Tanning beds triple melanoma risk and cause 400,000+ skin cancers per year in th...
Vitamin D and Skin Cancer
Can you get enough vitamin D without risking skin cancer? Learn how much sun you...
Sun Damage, Age Spots & Sun Spots
Sun spots, age spots, liver spots — are they dangerous? Learn to distinguish ben...
Ozone Layer & Skin Cancer
Stratospheric ozone is recovering — but slowly, unevenly, and not everywhere. He...
Supplements & Sun Protection
Nicotinamide for Skin Cancer Prevention
Nicotinamide (vitamin B3) was linked to 23% fewer new non-melanoma skin cancers ...
Nicotinamide vs Niacinamide vs Niacin
Nicotinamide vs niacinamide vs niacin: which forms of vitamin B3 are the same, w...
Oral Sunscreen Pills and Polypodium Leucotomos (Heliocare)
Do oral sunscreen pills like Heliocare work? What Polypodium leucotomos studies ...
Supplements for Sun-Damaged Skin
Which supplements for sun-damaged skin have real evidence? Nicotinamide, Polypod...
Supplements and Skin Cancer Risk
Supplements for skin cancer prevention: what trials found for nicotinamide, vita...
Skin of Color
Skin Cancer in Dark Skin
Skin cancer is less common in dark skin but more deadly because it is diagnosed ...
Acral Melanoma
Acral melanoma occurs on palms, soles, and under nails. It is the most common me...
Skin Cancer in Hispanic and Latino Communities
Hispanic and Latino patients face unique skin cancer challenges. Late diagnosis ...
Skin Cancer Detection Disparities
Not everyone has equal access to skin cancer detection. Racial, economic, and ge...
Risk Groups
Skin Cancer After Organ Transplant
Organ transplant recipients face up to 100x higher risk of skin cancer due to im...
Medications That Increase Skin Cancer Risk
Some medications make your skin more vulnerable to UV damage or suppress your im...
Can Ozempic or Mounjaro Cause Skin Cancer? What the Studies Show
Can Ozempic, Wegovy, Mounjaro or Zepbound cause skin cancer? What the FDA labels...
Family History of Melanoma
A parent or sibling had melanoma? Your risk is 2-3x higher. Learn when to start ...
50+ Moles
Having 50+ moles increases melanoma risk 4-5x. Learn the efficient monitoring st...
Procedures & Diagnosis
Skin Biopsy
Your dermatologist recommended a biopsy. Learn what happens during the procedure...
Mohs Surgery
Mohs micrographic surgery has the highest cure rate for skin cancer (99% for pri...
Mole Removal
Thinking about getting a mole removed? Learn when removal is medically necessary...
Life After Melanoma
Diagnosed with melanoma? Life after treatment includes follow-up visits, self-ex...
Tanning & Monitoring
How to Check Your Skin After Tanning
Used a tanning bed or spent too long in the sun? Here is how to check your skin ...
Still Tanning? How to Reduce Your Risk While Being Honest About It
Not ready to quit tanning beds? Harm reduction strategies that actually work: mo...
Mole Monitoring for Tanners
Current or former tanning bed user? This structured monitoring plan uses the sam...
Screening & Detection
Mole Mapping
Learn how to create a body mole map, track changes over time, and catch suspicio...
The Ugly Duckling Sign
The ugly duckling sign helps identify melanoma by finding the mole that looks di...
Monthly Skin Self-Exam
Learn how to perform a thorough monthly skin self-examination. Step-by-step guid...
Dermoscopy
Dermoscopy uses 10x magnification to reveal hidden structures in moles. Learn wh...
Skin Cancer Screening
What happens during a skin cancer screening? Full guide on preparation, what the...
Skin Cancer Signs
Warning signs of skin cancer: a changing mole, a sore that will not heal, a new ...
Types of Skin Cancer
Learn about all types of skin cancer: melanoma, basal cell carcinoma, squamous c...
Melanoma Stages Explained
Melanoma stages 0 to IV in plain words: tumour thickness (Breslow), lymph nodes,...
Treatment & Apps
Skin Cancer Treatment
Complete guide to skin cancer treatment: surgical excision, Mohs surgery, immuno...
Skin Cancer on Face, Nose & Scalp
Skin cancer on the face, nose, and scalp is common due to sun exposure. Learn th...
Nail Melanoma
Subungual (nail) melanoma explained: the Hutchinson sign, who is most at risk, h...
AI Skin Cancer Detection
Can AI detect skin cancer? We review the accuracy of melanoma detection apps, th...
Best Mole Checking Apps in 2026
We reviewed the top mole checking and skin cancer screening apps for 2026. Compa...
Is It Cancer? Comparisons
Tick Bite or Melanoma? How to Tell the Difference
A dark spot after a tick bite can be alarming. Learn the 6 features that separat...
Spider Bite or Melanoma? How to Tell Them Apart
A spreading sore blamed on a spider bite can sometimes be skin cancer. Learn how...
Bruise or Melanoma? How to Tell the Difference
Most bruises are harmless and fade in two weeks. Learn how to tell a bruise from...
A Scab That Won't Heal
A sore or scab that keeps coming back can be basal or squamous cell carcinoma. L...
Petechiae or Skin Cancer? Understanding Blood Spots
Tiny red or purple blood spots (petechiae) are usually harmless but rarely signa...
Ingrown Hair or Skin Cancer? How to Tell Them Apart
Most bumps after shaving are ingrown hairs or cysts and resolve on their own. Le...
Cherry Angioma or Melanoma? How to Tell Them Apart
Cherry angiomas are harmless bright-red dots that are very common with age. Lear...
Seborrheic Keratosis or Melanoma? Telling Them Apart
Seborrheic keratoses are extremely common 'stuck-on' warty growths and are harml...
Actinic Keratosis vs Skin Cancer
Actinic keratosis is a rough, scaly pre-cancer that can progress to squamous cel...
Blood Blister vs Melanoma
A blood blister and a melanoma can both look like a dark spot under the skin. Le...
Wart vs Skin Cancer
Most warts are harmless, but some skin cancers (SCC, BCC, melanoma) can mimic wa...
Skin Tag or Melanoma? How to Tell the Difference
Most skin tags are harmless. But some pigmented or growing 'tags' are actually m...
Freckle or Melanoma? How to Tell Them Apart
Most dark spots on skin are harmless freckles or sun spots. Learn the 6 features...
Age Spot or Skin Cancer? How to Tell an Age Spot from Melanoma
Age spots (liver spots) are harmless, but early melanoma can look like one. 6 di...
Mole vs Seborrheic Keratosis
Seborrheic keratoses are extremely common and often confused with moles or melan...
Health Anxiety
Health Anxiety and Skin Cancer
Health anxiety about skin cancer is common — and sometimes more disabling than t...
I'm Convinced I Have Melanoma
If you are certain you have melanoma despite reassurance, the fear itself may be...
Can Dermatologists Miss Melanoma? An Honest Answer
Yes, dermatologists can miss melanoma — rarely. What the real risk is, what redu...
How Often Should You Really Check Your Moles?
Checking moles every day does not catch melanoma earlier — and it makes anxiety ...
How to Stop Googling Skin Cancer Symptoms
Constantly searching skin cancer symptoms feeds anxiety without making detection...
Anxiety Waiting for Biopsy Results
Waiting for skin biopsy results is one of the most stressful health experiences....
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