Could probiotics evolve in the gut and cause harm?

New research shows how bacteria adapt inside the gastrointestinal tract of mice and suggests that the effectiveness of probiotics might change over time.

Obesity: Lack of ‘satiety hormones’ plays a role

Obese individuals have fewer cells in the gastrointestinal tract that secrete satiety hormones in response to food, which may lead to overeating.

Chili peppers, marijuana may reduce gut inflammation

Researchers have found that chili peppers and edible marijuana target the same receptor in the gastrointestinal tract to reduce gut inflammation.

Health improvements likely following studies of gut flora in infants and toddlers

Breastfeeding until at least nine months of age increases prevalence in the gastrointestinal tract of Lactobacilli and Bifidobacteria, species which are known to contribute to development of a healthy immune system, according to a paper describing the establishment of the intestinal microbiota during the first three years of life.