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.
What does tea smell like? Okay, this is a difficult question to answer as I'm asking for subjective opinions, but I'm trying to describe the smell of tea. My character has never smelled or tasted it, and I've been sniffing cups of tea for the last few days trying to figure out how to describe the smell as someone who is unfamiliar with it. It's black tea brewed with hot water and loose leaf tea, no milk or sugar.