We've all had bug bites, or dry scalp, or a sunburn that causes itch. But what if you felt itchy all the time — and there was no relief? Journalist Annie Lowrey suffers from primary biliary ...

Why does scratching an itch only make it worse? As it turns out, a brain-signaling chemical released in response to scratching has some unintended effects, scientists say. Scratching an itch provides ...

Scientists have long struggled to explain what actually causes the sensation of itching – now we know what to blame. Having an itch can be incredibly annoying but it actually serves an important ...

Medical science has deciphered many of the body’s workings, down to the level of the gene, and isn’t too far from using stem cells to repair its hobbled organs. But in many ways, the human body ...

Scratching deep beneath the surface, a team of researchers the U.S. and South Korea have identified two distinct neuronal signaling pathways activated by a topical cream used to treat a variety of ...