Is it true that if you don't use it, you lose it?

???Is it true that if you don't use it, you lose it?
No I think you will be safe enough lolIs it true that if you don't use it, you lose it?
Yes, I think so. If you don't use your brain and think, and you will lose it and be stupid. If you don't work out and use your muscles you will lose them and be weak. It is that simple.
it depends on what ';IT'; is... like if you download a ringtone for your phone, and you don't download it within 2 days... you lose it..
yes u must fully utilised at least 99.99%
I have always heard that, but in my case I am using it. There may come a day when I am No longer able to, but until then, yeeeeehaw..
no it will still be there
lose what?
Yes, it falls off.
Lose it? Like really losing it? You are joking, right?
Not true.
yes, at least in regard to muscle mass.
yah, there was one time i didn't use it for afew weeks and it kinda took awhile to get back in the groove, so now i make sure i keep the engine running.
Lose what?
Never lose it. Things just pop off quicker when it is finally used again.
What is IT???