Summer can mean a rise in visible freckles. But how do you know when a freckle is harmless versus whether it might actually ...

Black poop can be harmless, caused by certain foods or medications ... Digestive enzymes break it down in the digestive tract, changing its color and texture to black. Iron supplements, Pepto ...

Sunspots are harmless but may be mistaken for a more serious symptom like skin cancer. Check the asymmetry, color, diameter, and how the spot changes over time to ensure it's not cancer.

Color. The color of the mole is not the same ... Seborrheic keratoses are harmless and are not contagious. Therefore, they don't need to be treated. If you decide to have seborrheic keratoses ...