Researchers at the National Institute of Neurological Disorders and Stroke (NINDS), a part of the National Institutes of Health, have identified a specific, front-line defense that limits the ...

June 20 -- THURSDAY, June 19 (HealthDay News) -- The olfactory bulb in the brain -- the brain's "smell center" -- may change in size as a person's sense of smell changes, a German study reports. In ...

Our sense of smell depends on the transmission of olfactory information from the nose to the olfactory bulb in the brain through the olfactory nerve. And without olfactory bulbs, smell isn't possible- ...

A brain with a normal olfactory bulb on the left and a brain lacking the bulb on the right. Weizmann Institute of Science The way we perceive the world around us is super complex, but researchers seem ...

A new study has presented more evidence backing up a hypothesis suggesting viral infections in the olfactory system can accelerate the progression of Alzheimer's disease (AD). Instead of focusing on ...

Many people with Alzheimer’s notice their sense of smell isn’t as sharp as it used to be long before their memory declines. The underlying mechanisms responsible for this change have remained a ...

Microplastics were found in the olfactory bulbs of eight of 15 human brains at autopsy. A total of 16 different synthetic polymer particles and fibers were identified in olfactory bulbs. The olfactory ...

It’s clear that genes, receptors and neurons all play a role in detecting odors. But much of how we make sense of what we sniff remains mysterious. A neuroscientist explains. By Daniela Hirschfeld / ...

Yale researchers have found that odors sensed through eating are weaker than those sensed through inhalation. The study, which was published in the journal NeuroImage, set out to compare smells that ...