Here are five ways to spot if someone you know could be a secret 'functional alcoholic' as Christmas approaches.

By 2030, the functional beverage market could be worth close to $340 billion as companies aim branding at Gen Z and young Millennials looking to forego consuming alcohol and traditional soft ...

Esters are formed by the condensation reaction between an alcohol and a carboxylic acid ... smells and are insoluble in water. The functional group (-COO) is known as the ester link.