They are two different protocols. Post Office Protocol, which works like a post office box, where you go to get your mail, and Internet Message Access Protocol, which works by synchronising with the server. In most cases, I recommend IMAP. These pages may help you decide:
Sure, some fresh injuries might hurt for a short time frame. However, unless there is a definitive neurological link, these will heal and the pain should stop. If not, then there is a good chance that the pain is not due to the herniated disc at all. So, some herniations can heal, some may not. Degeneration never heals. However, statistics show that healing is not needed in order for the back or neck symptoms to resolve.
Discs cushion the vertebrae, contribute to flexibility and help to protect the spinal cord. Discs are composed of a gel-like center (the nucleus pulposus) and a tough, fibrous outer layer (the annulus fibrosus). A herniated disc or bulging disc often is referred to colloquially as a slipped disc and a ruptured disc. No matter what you call them, these conditions can lead to nerve root irritation or impingement, which can cause traveling pain, numbness, tingling, muscle weakness and other disabling symptoms.