Neuroscience

Exploring the mechanisms behind swallowing

Sensory cells in the vagus nerve can detect and locate food in the esophagus. Their signals help transport the food onward to the stomach. Signal failure leads to swallowing disorders, say a team led by Carmen Birchmeier ...

Medical research

Smelling your food makes you fat

Our sense of smell is key to the enjoyment of food, so it may be no surprise that in experiments at the University of California, Berkeley, obese mice who lost their sense of smell also lost weight.

Diseases, Conditions, Syndromes

Loss of smell is the best sign of COVID-19

Two international studies confirm that for the majority of patients with respiratory infections who lose the sense of smell, this is due to COVID-19. The disease also often results in both loss of taste and the other senses ...

Medical research

Gene plays critical role in noise-induced deafness

In experiments using mice, a team of UC San Francisco researchers has discovered a gene that plays an essential role in noise-induced deafness. Remarkably, by administering an experimental chemical—identified in a separate ...

Neuroscience

Scientists sniff out unexpected role for stem cells in the brain

For decades, scientists thought that neurons in the brain were born only during the early development period and could not be replenished. More recently, however, they discovered cells with the ability to divide and turn ...

Neuroscience

Not senseless -- watching the brain relearning the sense of smell

Neural and biochemical processes that are affected by the loss of olfactory sensory perception are now being explored. These studies provide insight into the effects of the loss of smell on corresponding relevant brain areas. ...

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