Most people are aware of the benefits of breastmilk, but few are aware of the risks.
Children don’t learn much about how illnesses spread if they are just taught a list of dos and don’ts. They need to know why an action is useful.
It only takes a single fly to alight on your picnic lunch to make you uneasy about what germs may have landed with it. But what harm can come from a fly landing on your food? Should you throw it away?