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Cells of larynx may have significant immune functions

Research suggests that laryngeal immune cells have a crucial role in tolerating inhaled antigens, screening for cancer cells, and preventing asthma. The study aims to understand how the lining responds to acid reflux or LPR and explore new diagnostic tools and treatments.

SourceAtrium Health Wake Forest Baptist·DateMay 20, 2004

The acoustics of laughter

A team of psychologists studied 1024 laughter episodes from young adults watching funny video clips. They found interesting sex differences in laugh types and pitches, with women producing more song-like laughs than men. Laughter is surprisingly high-pitched, with some laughs reaching frequencies of over 2,000 Hz.

SourceAmerican Institute of Physics·JournalThe Journal of the Acoustical Society of America·DateOct 3, 2001
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Novel larynx organ preservation surgery

A new partial voice box resection procedure shows excellent local control and significant improvement in quality of life for patients with intermediate to advanced stage larynx cancers. This approach can provide a less drastic treatment option, reducing hardship on patients.

SourceUniversity of Pennsylvania School of Medicine·JournalThe Laryngoscope·DateJan 31, 2001

Pacemaker for larynx allows patients to breathe easier

A new Implantable Pulse Generator (IPG) device has been developed to help patients with paralyzed vocal folds breathe on their own. The device was recently implanted in a Missouri woman, who was able to have her tracheotomy tube removed after 18 months of successful ventilation.

SourceVanderbilt University Medical Center·DateSep 21, 1999