Fragrances can make a home go from smelling objectionable to welcoming — they can also cause severe health concerns in sensitive individuals. Researchers studied the substances found in these products for years, and their results communicate a serious message: Air fresheners have the potential to trigger bodily reactions such as respiratory problems, migraine headaches, and asthma […]

Drug addiction and multiple chemical intolerance (abdiction) appear to be polar opposites--the former characterized by craving and dependency, the latter by aversion. However, when the two are viewed in juxtaposition similarities emerge, revealing a common underlying dynamic, one which appears to be …

In science, anomalies expose the limitations of existing paradigms and drive the search for new ones. In the late 1800s, physicians observed that certain illnesses spread from sick, feverish individuals to those contacting them, paving the way for the germ theory of disease. The germ theory served a …

Recent research clarified that mast cells are controlled by their internal clock—which is regulated by a specific set of clock genes—as well as external factors such as light sensed by the suprachiasmatic nuclei, hormonal status, or diet.

The production of histamine by bacteria in the human gut influence the immune response, although the major source of histamine is food. The large spectrum of histamine effects on a number of cellular processes results in various gastrointestinal disorders including food allergy, histamine intolerance, irritable bowel syndrome, and inflammatory bowel disease, among others.