It sounds like you've done some research and know the answer to this question already, yet are hoping that others here will tell you what you want to hear. Look, university was never meant to get anyone a job; that's why we have colleges and skilled trades programs. University is a place of higher academic learning - mainly a lot of theory, critical thinking, reading and writing, and little practical value otherwise. This is especially true for traditional degrees that are high in theory (i.e. health science) and little in practical value. I mean, what do you bring to the table for an employer to hire you over someone who studied applied mathematics, computer science, business, engineering, architecture, actuarial science, nursing, etc.? I can learn almost everything you learn in a health science or sociology program by going to the library and signing out some books and just reading up on it on the Internet.
Health Canada? There are tens of thousands of science students graduating from university every year. Not everyone can work in Health Canada now, can they? Government is harder to get into nowadays than even Bay Street. You're competing with people who have excellent public sector/NGO experiences, advanced degrees (masters, PhD, MD, JD, etc.), and strong references and networks. Simply getting a degree in sciences isn't enough to get you there. What other traits do you have to stand out from the thousands of other applicants?
I'm not going to tell you what you want to hear. If you want a job, then don't do health science. If you're willing to work your ass off in undergrad to get stellar grades, research experiences and references, to then pursue another 2-5+ years in graduate/professional schooling for an area within sciences/healthcare that you want to specialize in, then by all means, do a health science degree. I don't even understand this question to be honest. How are you going to be qualified as a professional to do anything within the science/healthcare field with a 4 year health science degree alone? Can we put patients' lives in your hand? Can you perform surgery? Can you advise on medications? Can you set healthcare policies?
It's not the fact that nobody wants to hire you with a health science degree. Its' the fact that you spend 4 years in university learning a lot of theory that has little practical value in the entry level job market, and within the sciences/health care fields itself, you're not qualified to do anything in comparison to people who have PhDs and professional degrees. A masters degree is also just as useless on its own. Most science students do a masters degree to later pursue a PhD, or hope that a masters degree will help them get into medical school or some other professional program.
I have a close friend who works in Health Canada as a policy analyst. He has a masters degree and law degree, went on to specialize in health law, worked for international health organizations, and now works at Health Canada as a policymaker. I'm not saying that you can't do it, but you just need to understand that getting into a masters program is much easier than getting a job in the government/Bay Street. Everyone wants these jobs.
http://www.sgs.utoronto.ca/prospectives ... grams.aspx
You can browse through some grad/professional degrees here. I linked U of T because they seem to have most programs listed. Keep in mind that there is a vast difference between an academic masters degree (i.e. MSc in biology) and a professional degree (i.e. medicine, dentistry, law, optometry, pharmacy, etc.). People with masters degrees are struggling too because again, theory, while professional programs are brutally competitive and will set you up nicely if you can get in - and everyone and their mother wants to be a lawyer or doctor now.The point is, I admire those who stick with their convictions and follow their true passions, overcome hurdles and barriers to reach their goal. But if you're someone who is only 17/18 and already know now that you probably won't get into these competitive programs like medicine, etc., then cut your losses and find something else to do. It's fine to want to study health sciences in university, but why then ask about the job market, which doesn't correlate here. This is not what a health science degree and most other BSc degrees are intended for to begin with. There is also a LOT of information online on this topic. You can easily google graduate and professional degree requirements. I was making a list of law school and medical school requirements back when I was in Gr.11. I planned everything out and knew more than even university students. I'm in medical school now. If you're serious about getting a top tier job in the sciences/healthcare, then you really need to be an outstanding student and put in the effort and have the drive to accomplish these things.