Researchers uncover the surprisingly complex evolutionary history of the salivary protein amylase. Historically, the similarity between AMY1 copies has made this stretch of the genome difficult to map ...

When it comes to digestion, several myths have proliferated over the years. One says the body can't digest chewing gum, another that beans cause more gas and bloating than other foods, and perhaps the ...

Digesting spicy, dairy, and processed foods may be more difficult with age. Eating fiber-rich whole foods, exercising, sleeping better, and lowering stress can help. As people age, their digestive ...