Medications

Mouthwashes may suppress SARS-CoV-2

SARS-CoV-2, the virus that causes COVID-19, is an airborne disease transmitted via aerosols, which are spread from the oral and nasal cavities—the mouth and the nose. In addition to the well-known division and spread of ...

Genetics

Olfactory neurons adapt to the surrounding environment

Olfactory receptors, present on the surface of sensory neurons in the nasal cavity, recognize odorant molecules and relay this information to the brain. How do these neurons manage to detect a large variability of signals ...

Medications

Anti-COVID-19 nasal spray 'ready for use in humans'

A nasal spray that can provide effective protection against the COVID-19 virus has been developed by researchers at the University of Birmingham, using materials already cleared for use in humans.

Dentistry

Special sensory cells in the gums protect against periodontitis

Newly discovered chemical-sensing cells in the gums protect the mouth by standing guard against infections that damage soft tissue and destroy the bone that supports the teeth, report researchers from the Monell Chemical ...

Neuroscience

Scientists uncover new details in how sense of smell develops

Dogs, known for their extraordinarily keen senses of smell, can be trained to use their sensitive sniffers to find drugs, bombs, bed bugs, missing hikers and even cancer. Among dogs and other animals that rely on smell, at ...

Alzheimer's disease & dementia

Insulin's potential to treat dementia outlined in new study

Researchers at the UW Medicine, Veteran's Administration Puget Sound and Saint Louis University have made a promising discovery that insulin delivered high up in the nasal cavity goes to affected areas of brain with lasting ...

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