You can also improve the recommendations you get in your YouTube feed by:
Pruning the watch history in your YouTube account. If you have videos in your watch history that are no longer relevant to your interests, go ahead and delete them.
You can pause or frankly delete your watch history if you want to take your YouTube recommendations in a completely different direction.
Creating playlists or populating the Watch later list to curate your preferences and interests better.
Choose topics at the top of your YouTube feed. YouTube lists topics that may apply to your viewing preferences. You can select topics or remove them to help improve your YouTube recommendations.