Like other sensory systems, olfactory function deteriorates with age. Epidemiological studies
have revealed that the incidence of olfactory dysfunction increases at the age of 60 and …

Objectives/Hypothesis Intracellular entry of severe acute respiratory syndrome coronavirus
2 (SARS‐CoV‐2) depends on the interaction between its spike protein with the cellular …

… Taku Sato and Rumi Ueha contributed equally to this work. … Taku Sato and Rumi Ueha
contributed equally to this work. … Taku Sato and Rumi Ueha contributed equally to this work. …

The year 2020 became the year of the outbreak of coronavirus, SARS-CoV-2, which escalated
into a worldwide pandemic and continued into 2021. One of the unique symptoms of the …

Background The year 2020 was the year of the global COVID-19 pandemic. The severity of
the situation has become so substantial that many or even most of the patients with mild to …

The laryngeal adductor reflex (LAR) is an airway protective reflex that manifests as a brief
vocal fold closure in response to laryngeal stimulation. This study examined if the absence of …

On April 14, the Society of Swallowing and Dysphagia of Japan (SSDJ) proposed its
position statement on dysphagia treatment considering the ongoing spread of severe acute …

Background: The incidence of olfactory impairment increases with age; however, the detailed
molecular and cellular mechanisms underlying this increase are yet to be determined. …

Objective Voice problems in the geriatric population are increasing worldwide. Since the
demographic research of geriatric voice patients in Japan, the country of the most advanced …

Background Severe dysphagia can cause intractable pneumonia and lead to life-threatening
conditions. Intractable aspiration can occur despite medical management for aspiration …