The vast increase in Alzheimer disease (AD) worldwide has grave implications for
individuals, family support systems and the health-care systems that will attempt to cope with …

Background The literature regarding clinical olfaction, olfactory loss, and olfactory
dysfunction has expanded rapidly over the past two decades, with an exponential rise in the …

The central processing pathways of the human olfactory system are not fully understood.
The olfactory bulb projects directly to a number of cortical brain structures, but the distinct …

Recent evidence indicates that sensory and motor changes may precede the cognitive
symptoms of Alzheimer's disease (AD) by several years and may signify increased risk of …

Accumulating evidence points to a link between age-related hearing loss and cognitive
decline, but their relationship is not clear. Does one cause the other, or does some third …

Abstract Purpose of Review The sense of smell is today one of the focuses of interest in
aging and neurodegenerative disease research. In several neurodegenerative diseases …

Olfactory dysfunction is a common and early symptom of many neurodegenerative diseases,
particularly of Parkinson's disease and other synucleinopathies, Alzheimer's disease (AD) …

COVID-19 infection causes complications, even in people who have had a mild course of
the disease. The most dangerous seem to be neurological ailments: anxiety, depression …

Natural odors, generally composed of many monomolecular components, are analyzed by
peripheral receptors into component features and translated into spatiotemporal patterns of …

Research links air pollution mostly to respiratory and cardiovascular disease. The effects of
air pollution on the central nervous system (CNS) are not broadly recognized. Urban outdoor …