Hello Respekta: I see this is your first post here on PC. So... welcome to PsychCentral.

There is such as thing as "existential depression". Perhaps you're familiar with it? Here are links to 3 articles on that subject, from Psych Central's archives, along with a link to an article on the subject of health anxiety & 6 on living with an anxiety disorder:

What is Existential Depression?

Coping with Existential Depression

Existential Despair: A Deeper Cause of Human Anxiety

Hyper-Worried About Your Health? 3 Tips to Help

Anxiety Disorders Overview: Symptoms, Treatment & More | PsychCentral

https://psychcentral.com/disorders/a...isorder/?all=1

https://psychcentral.com/lib/9-ways-...ere-right-now/

https://psychcentral.com/lib/15-smal...iety-symptoms/

https://psychcentral.com/lib/top-10-...dium=popular17

https://psychcentral.com/blog/the-bi...anxiety/?all=1

I hope you find PC to be of benefit.