(CNN) — Our skin is considered our largest organ, with a surface area of approximately 15 to 20 square feet (1.4 to 1.9 square meters) — and some put the estimate at least 10 times greater, if the ...
Editor’s note: The podcast Chasing Life With Dr. Sanjay Gupta explores the medical science behind some of life’s mysteries big and small. You can listen to episodes here. And we like to keep our skin ...