You might be surprised at all the things that can dull your bright smile. Staining can be caused by coffee, red wine or tea or tobacco. But using an antihistamine, high-blood pressure medication, some chemotherapy drugs or anti-psychotic medications can also cause stained teeth. Source Link
Taking some simple precautions can help you avoid home accidents. Use a can opener instead of a knife to cut through clamshell plastic packaging and keep kitchen knives sharp because a dull knife is more likely to slip. Dial down your water heater to 120 degrees to avoid scalding accidents and wear long pants and close-toed shoes when mowing the lawn. Source Link
It takes a good eye to pick the freshest seafood. Look for a whole fish with eyes that are bright and clear and not dull gray. For a fillet, the skin should be shiny, metallic and clean. Fresh fish should smell like clean water or slightly briny but never “fishy” because cooking can’t improve a fish past its prime. Source Link