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.

15 healthful gluten-free meals to try

Making healthful, filling gluten-free meals is easier than many people think. In this article, we provide 15 gluten-free recipes that people can use to make breakfasts, lunches, and dinners.

Hypothyroidism: Foods to eat and avoid

Certain diets can improve hypothyroidism, or an underactive thyroid, while others can make the symptoms worse. In this article, we look at which foods and nutrients to eat and avoid to improve the symptoms of hypothyroidism.