Yeah not only is it extremely dangerous for your health, but it really ruins the texture of the meat. All that freezing and refreezing is horrible for all those muscle fibers in the meat. The best way to defrost meat is to put your frozen meat in a plastic food storage bag, seal out all the air...
Yes I have one! Its called, The College Vegetarian Cookbook. You don't even have to be a vegetarian to own it! It has amazing recipes designed for people with similar skills as you! There is a great section in the beginning all about basic cooking fundamentals! Hope this helps!