By Sundar Balasubramanian Saliva is a basic fluid found in organisms ranging from insects to humans, and it contains several molecules needed for normal physiological functioning. Environmental factors activate salivation, so saliva is a critical bridge in translating external stimuli into biological responses. Saliva is normally considered a rich source of digestive enzymes, and studies show … Continue reading Is it just spit? Yogic breathing may affect salivary proteins