I have a very dangerous and lame hobby.
I forage for food. It’s a lot of fun trying new things. But it’s also really dangerous if you don’t know what you are doing.
If you want to do this hobby safely start small. Identify plants in your own yard/park exct. I use an app called plant net, Wikipedia, duckduckgo, Google Earth, foraging sites, to find out where to go. Knowledge of when they grow and what condions they like helps.
Being 100% sure on what you are going to eat is a life and death choice. When in doubt, throw it out.
Feel free to ask me anything if you have questions.
I recommended if you have a two floor house put a window fan sucking the air out on the top floor. It makes a huge difference.