Yes you can is the answer, many
movie stars use some various exercises to do this, there is a book out there, I cannot remember the name , but if you google I am sure there will be inrormation, it is used to lift the voice ,when one gets older the voice does seem to get lower and an older' voice appears , you can lift the tone,I have never heard of a hormone pill but who knows , google and let us know , interesting question.