A new study introduces a safe, painless way to improve the sense of smell using radio waves. Unlike traditional treatments that rely on strong scents or medications, this noninvasive method stimulates olfactory nerves directly through a small antenna placed near the forehead.

Testing showed that a single five-minute session improved participants’ ability to detect faint odors for over a week. Researchers believe this approach could help patients with smell disorders and professionals who depend on fine scent discrimination.

— Read more in Radio Waves Can Strengthen Sense of Smell at Neuroscience News.