Naturally acquired active immunity occurs when the person is exposed to a live pathogen, develops the disease, and becomes immune as a result of the primary immune response. Artificially acquired active immunity can be induced by a vaccine, a substance that contains the antigen.
The main cause of neck pain is tension. During periods of intense anxiety, your muscles tense up dramatically. Muscle tension tightens the muscles, especially in the shoulders, back, and neck. The more anxiety you experience, the more your tension may cause significant pain and discomfort. A related issue comes from the mindset of those with anxiety. Many people get muscle tension in their neck during times of stress.
Even if the pain is caused by pressure on nerves, muscles are still the bad guy. Muscles caused the pressure on the nerves to start in the first place. Here are some ways to relax those neck muscles and take pressure off the nerves. 1. Ice massage. Use ice to massage the muscles in front on the sides and in back of your neck. Also do the base of your skull and the top of your breastbone.