Air pollution is a complex mixture of gases and particulate matter, with adsorbed organic and
inorganic contaminants, to which exposure is lifelong. Epidemiological studies increasingly …

Recent extensive evidence suggests that ambient fine particulate matter (PM2. 5, with an
aerodynamic diameter≤ 2.5 μm) may be neurotoxic to the brain and cause central nervous …

The intestinal immune system interacts with commensal microbiota to maintain gut
homeostasis. Furthermore, stress alters the microbiome composition, leading to impaired …

Olfactory impairments contribute to the psychopathology of mental illnesses such as
schizophrenia and depression. Recent neuroscience research has shed light on the …

The olfactory mucosa is a component of the nasal airway that mediates the sense of smell.
Recent studies point to an important role for the olfactory mucosa as a barrier to both …

Adolescent cannabis use increases the risk for cognitive impairments and psychiatric
disorders. Cannabinoid receptor type 1 (Cnr1) is expressed not only in neurons and …

Olfaction is the most ancient sense and is needed for food‐seeking, danger protection,
mating and survival. It is often the first sensory modality to perceive changes in the external …

Smell deficits and neurobiological changes in the olfactory bulb (OB) and olfactory
epithelium (OE) have been observed in schizophrenia and related disorders. The OE is the …

Background Olfactory dysfunction has been reproducibly reported in patients with psychosis,
including first episode psychosis (FEP) patients. Consistently, structural abnormalities in the …

Parkinson's disease (PD) is characterized not only by motor symptoms but also by non-
motor dysfunctions, such as olfactory impairment; the cause is not fully understood. Our …