Neuroscience

3-D model of human retronasal olfactory sense

The sweetness of a peppermint candy can be experienced with the nose pinched shut, but flavor is detectable only when the pinch is released and volatiles in the candy are exhaled back into the nose where smell receptors exist.

Health

Aromatherapy: more than just a pleasant scent?

(HealthDay) -- Aromatherapy is beginning to enter the medical mainstream, with groups as diverse as the American Cancer Society and the U.S. Department of Veterans Affairs touting the use of fragrance as a therapy that can ...

Neuroscience

Lost sense of smell often invisible, untreatable problem

Mimi Koberlein woke up one morning unable to smell the bacon her husband was frying for breakfast. Confused, she ran to the shower, grabbed her shampoo and inhaled deeply. Nothing. Two years later, Koberlein, 47, still can't ...

Diseases, Conditions, Syndromes

Three reasons why strong perfumes give you a headache

Humans can smell over 1 trillion odours. But no two people will react in quite the same way to the same smell. While there are some smells almost everyone agrees are unpleasant (such as paint thinner or rotten food), our ...

Neuroscience

Researchers identify critical link in mammalian odor detection

Researchers at the Monell Center and collaborators have identified a protein that is critical to the ability of mammals to smell. Mice engineered to be lacking the Ggamma13 protein in their olfactory receptors were functionally ...

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