Once used for coughs, ambroxol is being investigated for Parkinson disease dementia. A new trial shows it is safe and biologically active, though cognitive benefits remain unproven.
In a long-term cohort study, researchers found that specific retinal changes—thinner photoreceptor layers and thicker retinal pigment epithelium—were linked to a higher risk of developing amyotrophic lateral sclerosis, suggesting potential noninvasive biomarkers for early detection.
New research links a common metabolic liver condition in older adults to elevated risk of sudden hearing loss, highlighting potential implications for screening and prevention.
A new prospective study found that hydrops MRI using cochlear and vestibular imaging markers can accurately differentiate Menière’s disease from vestibular migraine, offering a non-invasive diagnostic tool for clinicians dealing with overlapping symptoms.