Consumption of traditional tea has fallen by a third in five years, research shows. But makers of alternative brews have seen sales rise by 10 per cent a year for the past three years, says market ...

There’s evidence the effects of caffeine in a cup of tea are enhanced by an amino acid it contains, called L-theanine, if it is drunk regularly. The research finds “L-theanine may interact ...

(Photo Credit: Liv Friis Larsen/Dreamstime) Mint tea can contain both peppermint and spearmint leaves, which can be mixed in varying proportions, depending on what you prefer. Spearmint and ...