Does working out actually help with mental health?

Hi I’m a (28 F), and honestly life’s been pretty rough for a while. Always been actually, it’s been feeling especially empty. I don’t really have anything going on in my life. I’m not in a relationship, I don’t have anyone to talk to, and my days all look the same, wake up, go to my stressful stupid job, scroll through social media for HOURS and then go to bed. Rinse and repeat.

I’ve been thinking about joining a gym, not to lose weight, I’m actually in decent shape, but just to do something that might be good for me? Something that might break the cycle and help me mentally.

Sooo I’m wondering… has anyone else been through something similar? Did working out actually help you feel better mentally or emotionally? Or was it just another thing that didn’t really change much?

I’d really appreciate hearing your experiences.