What Does Hair Do? (7 Functions)
May 6, 2026
What Does Hair Do? (7 Functions) Human hair is a modified type of skin, primarily composed of a tough protein called keratin. From the fine “peach fuzz” on our arms to the thick locks on o...
What Does Hair Do? (7 Functions) Human hair is a modified type of skin, primarily composed of a tough protein called keratin. From the fine “peach fuzz” on our arms to the thick locks on o...
5 Common Visual Problems – When to Worry and When to See a Doctor 1. Conjunctivitis (Pink Eye) What it is: Inflammation of the clear tissue covering the white of the eye. When to worry Increasin...
Keloid Scars – When to Worry and When to See a Doctor Keloid scars can be more than just a cosmetic concern; they often represent a unique way the body responds to healing. While generally harml...
Corneal Ulcer: 5 Common Causes and When to See a Doctor Corneal Ulcer (Keratitis): Causes, Symptoms, and Emergency Treatment A corneal ulcer is a medical emergency. It is an open sore on the cornea—th...
10 Common Hair Problems – When to Worry and When to See a Doctor Here are 10 common hair problems, along with their descriptions, symptoms, and guidance on when to worry and see a doctor: 1. Dan...
10 Common Skin Problems – When to Worry and When to See a Doctor Here are 10 common skin problems, when to worry, and when to see a doctor. 1. Acne What it is: A common skin condition where hair folli...
10 Common Eye Problems – When to Worry and When to See a Doctor Clinically Reviewed by Dr. Andrew Stein MD, Consultant Physician. Last updated: April 2026 Our eyes are one of our most vital sens...
10 Common Skin Lumps – When to Worry and When to See a Doctor Your skin is your body’s largest organ – keeping an eye on any changes can help spot problems early 1. Lipoma Soft, fa...
Angular Stomatitis : 5 Common Signs and When to See a Doctor Angular stomatitis (also called angular cheilitis) affects the corners of the mouth. It’s usually mild but can sometimes signal an underlyi...
10 Common Eye Diseases: Symptoms and Visual Guide Your eyes are essential for navigating the world, making eye health a top priority. Many serious eye conditions are “silent,” meaning they...
