Grad crisis, switching from humanities to STEM help

(RePOST because for some reason I cannot for the life of me see the comments on my original post)

Hello and thanks for clicking, honestly looking for any advice possible as I’m sure this isn’t an irregular situation but found difficulty finding any specific advice online.

I (24F) finished my undergraduate degree after a very very difficult and hard period of my life and was essentially forcing myself to finish it instead of focusing on my recovery so I would ‘have something’ to show for it.

I liked my degree subject but hated university, not so much the system, but because I was struggling so much I couldn’t focus on anything + didn’t have the mental capacity to understand forcing it was making it worse. Anyways I graduated, been properly working on my self, taking a year to focus on what I want to do and doing some bar work to get through which I do enjoy. All and all my life is pretty good now so I want to focus on going into a career

I do feel accomplished with my degree (French and History), my plan was to go into teaching either TEFL or French teaching which either as a career route I would need to do at least another year of university. However, I always had a love for science and looked at going to night school and getting the qualifications to pursue this at higher education.

This is a lot of maybes and what ifs and a major ‘why didn’t I just do this earlier’ but regardless I’m hoping to see if anyone had any similar experiences or even pointers for getting back into sciences (specifically basic biology and chemistry to get me refreshed).

Thanks for reading and hope this makes sense!!