Noninvasive Brain Stim Promising for COVID-Related Smell Loss

Noninvasive brain stimulation may help restore a sense of smell in patients with chronic anosmia or hyposmia related to COVID-19, early research suggests. Results of a small, double-blind, sham-controlled study showed anodal transcranial direct current stimulation (A-tDCS) combined with olfactory training (OT) provided notable and durable improvement in seven patients with persistent COVID-19-related hyposmia or … Read more