Ammonia is an important component of metabolism and is involved in many physiological
processes. During normal physiology, levels of blood ammonia are between 11 and 50 µM …

Cigarette smoking alters the oral microbiome; however, the effect of alternative tobacco
products remains unclear. Middle Eastern tobacco products like dokha and shisha, are …

Background: In a healthy individual, ammonia is converted to urea in the liver. Urea is then
transported through the bloodstream and then excreted into the urine by the kidneys. In …

Background: Cigarettes and other forms of tobacco contain the addictive drug nicotine. Other
components, either naturally occurring in tobacco or additives that are intentionally added …

Introduction Based on our preliminary 11C-nicotine positron emission tomography (PET)
imaging studies in humans, we speculated that greater deposition of nicotine in the …

Fast pyrolysis of nicotine under He and Air atmospheres and in the presence of three
mesoporous materials (two different morphology SBA-15 materials and one MCM-41) has …

Heated tobacco products are devices that deliver nicotine into the body via inhalation of the
mainstream aerosols generated during direct and/or indirect heating of tobacco leaf …

Schizophrenia is a chronic brain disorder that is considered as the top mental illness in the
Philippines. When schizophrenia is not prevented, especially on early stage more …

METHODS A total of 657 individuals (HTP and cigarette smokers and never smokers)
participated in this cross-sectional study. Participants were asked what foods/beverages …

Tobacco additives play an important role in the manufacturing and for the quality of tobacco
products, particularly cigarettes and roll-your-own tobaccos. Attention is increasingly given …