hi and welcome.
take action:
yes physical activity can help fighting depression, cardiovascular type, so a sport that get your heart beating a good 30 minutes, several times a week. could be anything even bicycle. after a sport, our body secrete well-being hormones. On top of it, physical activity has been associated with maintenance of remission for crohns :dusty:
You could also find a subject of interest and invest time into it, could be a sport a hobby, a volunteer job, ideally an activity where you will meet people and engage in discussion, socialization. When we help people, we feel rewarded and well, this could help you. I have started volunteering when i was really down hill. It helped me a lot. there are tones of voluntering oportunities, so much choices. Voluntering has engaged me in my community and have me meet many different groups and organizations. It is surprising how interesting it can be :dusty:
if none of these work, or if you feel you really lack interest, talk to your doctor and ask for an evaluation of your mental health. wishing you well.