Eat healthy (fruits and vegetables) , drink water. To get taller you can stretch a lot, you just have to stretch and massage yourself. stretching helps since it basically stretches your bones for a taller height. Massages also help
Most likely they will gain weight fairly quick, it depends on how many calories they burn in a day though.
Taking your blood pressure can be an option or your pulse.
Go to a doctor u might have breast camcer look it up on the Internet call someone
Well this is an obvious answer you find out for your self if it is true or not and if it is you take action confront the perpetrator or find someone higher up that is unaware of the actions that the person is committing and they will do something about it.