No.
Growth "systems" are scams preying on the insecure
you cant grow taller on purpose... wait for your growth spirt little dude =P
Yes. In most cases, you can keep growing until you're aged 21.
Most girls have finished growing long before they reach 21. Your question did not involve most, it was "Can girls grow until 21?" The answer is yes. Some girls older than 21 have grown taller. They are the exception not the rule.
about 21 days
About 21 days
21 days
we stop growing when our growth plates close, which typically happens between the ages of 12 and 21
21 days
No as you are 21 years old the chance of growing any further are minimum. Here you must see if both your parents are short or if one is this height you may never grow any taller. you would not grow taller because you stop growing at the age of 18 or 19 but doctors can give you advise good luck
Yes, it's quite likely that you will still grow taller until you reach the age of around 21.
Yes. You can continue to grow up until you're 21 but everyone is different. Its not unusual to even get taller between the ages of 18 and 21. ~ T
Surgery