Can anxiety/depression cause a person to develop or be more suceptible to developing raynaud's disease?
Yes. Emotional stress is a known trigger of raynaud's phenomenon. A person with raynaud's symptoms should try to avoid emotional stress (or get some treatment from his doctor), keep warm, not smoke or use other forms of nicotine, avoid caffeine, etc...
Raynaud's disease? Absolutely not.
NO. Never heard of this.