A. Warning signs, they can make the person with the illness more ill, they could feel neglected or like no one understand what they are doing and can't see the signs but jn some cases it's the person with the illness that doesn't know like bipolar people might not know they are bipolar until the test.
All of the above Because You work on it any time else and your bones wont be as strong as you grow older if you work on it all the time you have stronger bones
Check the expiration date and look at it