From Irish to international brands, they’re big on value, so make sure you’ve got your Boots Advantage Card when you head to ...

New research suggests habitual nose picking could damage the nasal lining, allowing bacteria to enter the brain via the ...

Scientists have developed a nasal-spray using nanomedicine that, in mice, travels directly to the brain and activates the immune system to target aggressive brain tumours — offering a promising, ...

Peer ReviewDownload a summary of the editorial decision process including editorial decision letters, reviewer comments and author responses to feedback. While the chemical signals guiding neuronal ...

Walgreens has issued a recall for thousands of a common cold remedy due to potential bacterial contamination. Customers who recently purchased this product are advised to check their labels.

In this study, we report that inhaled nanosized elongated mineral particles (EMPs) reach the human central nervous system (CNS) via two neuronal pathways, cranial nerve I (olfactorius) and cranial ...

Our nose does far more than help us smell flowers, food, or fresh air. It may also act as a hidden doorway into the brain. A new study from Griffith University has found that certain bacteria can ...

Have you ever walked past someone wearing a strong perfume and instantly got the ick? Or maybe the fragrance your coworker adores gives you a pounding headache? Few things divide people like scent—the ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...