To open your Personalize options, tap the Tune slider icon at the top right of your For You feed to add and remove topics. In addition, we suggest related topics as well. The more specific your topic selections (for example: following #Italian Cooking instead of only #Food), the more fine-tuned your feed becomes.
If you remove a topic in For You, you will unfollow it everywhere, including if you pinned it to your top home bar, we would remove it.
In addition to this Personalize screen, you can add topics and Magazines in the Explore tab and remove them in the Following tab. Remember that For You will pull from all the topics, Magazines, and other sources you follow. Therefore, the more thoughtfully and precisely you refine what you follow, the more relevant For You will become.