They are able to spread to other parts of the body ... Face Ears Neck Lips Backs of the hands Squamous cell carcinoma that develops on the skin is usually caused by spending too much time in ...

If you have frequent sweaty hands or excessive sweating in other parts of your body that are not caused by higher temperatures, you may have hyperhidrosis. This is a condition marked by sweating ...

Other parts of people's hands or feet get lighter, but knuckles tend to remain dark. However, smokers and drug users also sometimes have dark patches on their hands, due to the smoke. So users of ...