Assume a study revealed that when a mother burps her baby at least 8 times per day, the baby tends to be healthier than babies whose mothers don't burp them as much. The study was conducted by analyzing the # of reported cases of illness for babies in the two groups. This is actually true, but can you give a rational explanation for this amazing phenomenon?

OR

The Newport Chronicle claims that pregnant mothers can increase their chances of having healthy babies by eating lobsters. That claim is based on a study showing that babies born to lobster-eating mothers have fewer health problems than babies born tomothers who don't eat lobsters. This is true, but can you give a rational explanation for this phenomenon?