 [ Symptoms ] can testicular cancer cause at times extreme pain in the lower stomach area and also cause nausea and verdigo [ Disease ] at 18 years old you are probably at your adult height in most cases this is due to genetics not a growth hormone deficiency after your bone growth plates have closed it is really not possible to grow taller do not waste your many on supplements that claim they can make you grow taller you can stretch if you want but this will not make you permanently taller either i do not know your height but be proud of your height wear high heels or shoe lifts if you want this is the foot equivalent of a padded bra  if you have to blame anyone blame your parents and grandparents remember that guys tend to like shorter girls it makes them feel taller