New physics career?? Hi, I am 25 years old, and a medical doctor, I am have always loved physics, and thinking on studying it as a new career. I am here so you can give me your opinion on this. Is my age going to be a problem for me when I apply for post-graduate or a job? I live in venezuela, and here it's 5 years for the undergraduate degree we call it "licenciado". I would like to continue after it in USA. Thanks for any help or advice you can provide.