[Gluten-free diet - Update 2017].

Since sixty years, the gluten-free diet (GFD) is the only therapeutic option for patients with celiac disease or dermatitis herpetitormis to normalize symptoms and prevent complications. In recent years, the use of a gluten-free diet is rapidly growing because of presumed effects on well-being and control of body weight. GFD is becoming a popular health choice for everybody.

[Fiber, food intolerances, FODMAPs, gluten and functional gastrointestinal disorders--update 2014].

The controversial effects of dietary fiber on symptoms in functional gastrointestinal disorders are summarized. Studies concerning adverse reaction to foods are mentioned and the possible role of food allergy and food intolerances, especially pseudoallergic reactions to biogenes amines, in symptom provocation is discussed. The known effects of lactose deficiency and fructose malabsorption are reviewed.

Age dependent breath methane in the German population.

Methane which can sometimes be found in exhaled breath of humans is known to reflect in situ intestinal methanogenic activity. In recent years, several factors have been studied in order to understand their relevance to methane production in the intestinal tract. However, the relationship between age and methane producing status has hitherto not been sufficiently investigated.