Gamma-aminobutyric acid (GABA) is a non-proteinogenic amino acid and is the main
inhibitory neurotransmitter in the mammalian brain. GABA's stress-reducing, and sleep …

Saliva has one of the most difficult roles to perform in the body. It must facilitate the taste and
detection of foods nutritious to the body but also defend the mucosa from infection by the …

The capacity to predict future events permits a creature to detect, model, and manipulate the
causal structure of its interactions with its environment. Behavioral experiments suggest that …

Saliva is a multifaceted bodily fluid that is often taken for granted but is indispensable for oral
health and overall well-being in humans. Although mainly comprised of water (99.5%) …

The brain and the immune system are the two major adaptive systems of the body. During
an immune response the brain and the immune system “talk to each other” and this process …

Recent years have seen a growing interest in salivary α-amylase (sAA) as a non-invasive
marker for sympathetic nervous system (SNS) activity. Saliva offers many advantages as a …

Saliva has many essential functions. As the first digestive fluid in the alimentary canal, saliva
is secreted in response to food, assisting intake and initiating the digestion of starch and …

Introduction 3. Markers of mucosal immunity 4. Immune markers in saliva 5. Salivary IgA and
acute exercise 6. Nutritional influences on s-IgA responses to acute exercise 7 …

Publisher Summary This chapter focuses on the relationship between stress and saliva
secretory immunity in humans. Salivary gland function is largely under autonomic control; …

Adaptive immunity mediated by secretory antibodies is important in the defence against
mucosal infections. Specific secretory immunoglobulin A (SIgA) can inhibit initial pathogen …