From capsules to powders to drops to yogurt drinks, probiotics for kids are a booming business. Here's the truth behind all the marketing hype.
A new study on mice found behaviour changes in infants whose mothers received low-dose penicillin while pregnant or breastfeeding.
Worried about your kid's gut bugs? We asked scientists and a dietitian to weigh in on how you can increase your kid's microbes and set him up for life.