How does the sense of touch work?

Dr. Doris Day, MD
Your skin gives you the sense of touch through the myriad nerve endings all over your body. Touch is the first of the five senses to develop in a human embryo. The skin tells your brain about sensations both pleasurable and painful by transmitting messages along a pathway of nerve receptors. Touch has been shown to play a crucial role in physical and emotional health. Nervous and cutaneous tissues in fact share the same embryological origins, which is why stress can cause skin problems.

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