Gargle with a small cup of acidic lemon juice to kill odor-causing bacteria. Then eat a bit of plain unsweetened yogurt, which contains beneficial lactobacillus bacteria. These so-called probiotics compete with and replace the reeking bacteria. (They also make you prettier—check it out!) The lemon-yogurt combo instantly neutralizes odor and lasts 12 to 24 hours.
Crush a few fresh strawberries into a scrubbing pulp that you mix with a pinch of stain-removing baking soda and enough water to make a paste. Apply the mixture to a soft-bristled toothbrush and polish for a few minutes once every 3 or 4 months. (More often can erode tooth enamel.) The astringent malic acid in strawberries helps buff coffee and red-wine stains from teeth. (Here are 4 more foods that whiten teeth naturually.)
This natural sweetener may work just as well for a cough as over-the-counter medicines. That could be especially helpful for children who aren’t old enough to take those. But don’t give it to an infant or a toddler younger than 1. There’s a small risk of a rare but serious kind of food poisoning that could be dangerous for them. And while you may have heard that “local” honey can help with allergies, studies don’t back that up.