You might think OJ, because of its citric acid. Yet Pepsi is more than 10 times as acidic, according to figures provided by PepsiCo, which makes both. Because acidity may be the least appreciated ...

Lactose intolerance is an inability to digest a type of sugar found in milk and dairy products. Breath, blood, and stool tests are types of lactose intolerance tests that can measure the body’s ...