Relax and focus on yourself, everything will turn out fine
The brown stuff is called plaque. This forms on your teeth when you eat and its something you can't get rid of. There is tooth paste that can help maintain it.
Answer:
water! water is very essential, one reason being that it flushes out toxins from the body.
Carpal tunnel syndrome (CTS) is the name for a group of problems that includes swelling, pain, tingling, and loss of strength in your wrist and hand.