Catnip is the most famous stimulant for cats. How does it work, why does it not affect all cats, and are there any catnip alternatives? We investigate.
The internet contains reams of information on probiotics. A new study tests the claims of popular websites and conclude that many are misleading.
New research in pigs examines how sugar intake affects the brain's reward circuits and finds that changes are noticeable after just 12 days.