If you take anxiety to include everything from stress to a bunch of disorders, I'd believe it. Our bodies were not made to handle the permanent stress we see in modern life. The first place I imagine goes to cardiovascular issues?
may be true in some specific cases, but put like this it's just vague and impossible to verify
It either is the "second leading cause of disability and mortality" or it isn't, there's nothing to believe. I very much agree with GP that the claim is completely unsupported.
I found the study that the article bases this on[1]. It doesn't make this claim and instead associates a higher mortality rate to sufferers of all mental disorders, 67% of which are deaths by natural causes. That these natural causes are directly associated with the mental disorder isn't even something the study says. Anxiety is just one of the many disorders analyzed.
This is similar to attributing a lower life expectancy to all people with endocrine diseases (e.g. diabetes) and later saying hyperthyroidism (another endocrine disease) is the sole cause of death in that group.
- [1]: https://jamanetwork.com/journals/jamapsychiatry/fullarticle/...