The following do's and don'ts may help you make that decision or at the very least, encourage you to investigate this ever-changing sector further. If so, you're already on your way to learning about biotech.
Excitement is a good thing.
All it takes is desire, time, and high school biology. But, the company better have a plan to make enough money to justify your investment. Don't buy because you read in the papers or saw on TV or read on a website that a company has something interesting that worked in the lab. It will have to work in humans, and that takes years of testing and a lot of money . Other countries have their counterparts, too, so the new thing isn't going to just slip through elsewhere.