The 650 skeletal muscles in the human body contract when they receive signals from motor neurons, which are triggered from a part of the cell called the sarcoplasmic reticulum. Motor neurons tell your muscles to contract and the better you become at having those signals tell your muscles to contract, the stronger you can get.
C will be your answer .medicine containers do have the expectation date. instructions on how to take it and how many & it has the numbers of the medicine.
Actually cell can get big but they are smart enough to stay small and live off lots of small food, and there isn't enough food for them to live off of (if this is wrong i apologize)
Causes stress? Where are the choices
My guess is...
Less sleep
Bad energy around your environment
