A head injury is an injury to your brain, skull, or scalp. This can range from a mild bump or bruise to a traumatic brain injury. Learn more about the different types of injuries and when to seek ...

Sailors, former and current, share long tradition of getting inked while serving.

If you’ve been searching for the perfect arm tattoo for your next piece, we’ve rounded up more than 170 different tattoo designs to inspire your inky aspirations. From modest, smaller tattoos to ideas ...

In this study, we report the development of a wearable tattoo sticker designed for rapid and noninvasive detection of γ-hydroxybutyrate (GHB), which is commonly associated with drug-facilitated sexual ...