Whats is pain

Pain is an unpleasant sensory and emotional experience associated with an actual or potential tissue damage

The possible causes of pain

Pain is divided into two main categories namelu Acute pain and Chronic pain. Acute pain is regulated by nociception, which forms part of the nervous systems protective response to harmful or potentially harmful stimuli. Acute pain is caused by stimulus on a somatic or visceral level. Chronic pain is usually due to a pain can be functional (Fibromyalgia) or Neuropathic (Due to nerve damage).

Why different people experience pain differently

Pain is a subjective sensory or emotional response. Due to the variability in pain circuits within the brain as well as personal and environmental factors every person experiences and copes with pain differently.

Factors that influence pain include:

• Biological factors that amplify nociceptive signals to the brain 
• Psychological factors play big role in pain
• Environmental features
• Social factors

Important principles of pain management and referral involved

In order to effectively treat pain, it is important to determine how an individual persons brain reacts to pain. The most effective approach to pain management is to make use of multiple health care professions such as Pain specialists, physical therapists, clinical psychologists and nurses.  

https://www.ted.com/talks/karen_d_davis_how_does_your_brain_respond_to_pain

https://www.ted.com/talks/joshua_w_pate_the_mysterious_science_of_pain?language=en