I never dreamed that scientists would have their own proven methods of tea preparation, but here it is. The article is a PDF file that is long and "heavy", but very informative and has lots of pretty charts to amuse you while it is giving you a headache. Brew yourself a fresh cup of tea and enjoy it while plowing through the data. It discusses the best ways to extract the most amount of effective catechins from the tea, which is what we need to inhibit the HER2 protein.