Muscle twitching is caused by minor muscle contractions in the area, or uncontrollable twitching of a muscle group that is served by a single motor nerve fiber. Muscle twitches are minor and often go unnoticed. Some are common and normal. Others are signs of a nervous system disorder.
Yerba mate has a slight astringent bitter taste due to the high tannin content of the leaves. Researchers have found that leaves from younger plants possess more tannins than leaves from older, more mature trees.
Boba tea can be prepared with almost any flavor, and served hot, cold, sweetened, with cream, with milk, or plain. However, the essential element of this versatile drink is the black tapioca pearls that sink to the bottom. Boba tea is known by many names, including bubble tea, black pearl tea, pearl milk tea, and tapioca tea.