Background: Recently discovered relationships between the gastrointestinal microbiome
and the brain have implications for psychiatric disorders, including major depressive …

Halitosis is a common ailment concerning 15% to 60% of the human population. Halitosis
can be divided into extra-oral halitosis (EOH) and intra-oral halitosis (IOH). The IOH is …

Fusobacterium nucleatum is a common oral opportunistic bacterium that can cause different
infections. In recent years, studies have shown that F. nucleatum is enriched in lesions in …

Sulfur metabolism and sulfur-containing metabolites play an important role in the human
digestive system, and sulfur compounds and pathways are associated with inflammatory …

Background: Halitosis, in other words, oral malodor is an important multifactorial health
problem affecting the psychological and social life of individuals and is the most common …

Accumulating evidence indicates that microbiota plays a critical role in physiological
processes in humans. However, it might also contribute to body malodor by producing …

Psychological stress in a chronic course is implicated in various diseases, such as coronary
artery disease, diabetes, ulcerative colitis, and psychosomatic pain disorders. Commensal …

Volatile sulfur compounds (VSCs) such as hydrogen sulfide (H2S) and methyl mercaptan
(CH3SH) are the main components of oral malodor, and are produced as the end products …

Halitosis or oral malodor is one of the most common reasons for the patients' visit to the
dental clinic, ranking behind only dental caries and periodontitis. In the present times, where …

Psychosocial stress, uncontrolled eating and obesity are three interrelated epidemiological
phenomena already present during youth. This broad narrative conceptual review …