If you're getting shoulder and back pain from poor sitting habits, you should address that directly. Fix your posture, your spine should be slightly curved when you sit with your shoulders upright. You can also get a standing desk, and start weight training or doing calisthenics

The general dietary advice these days is:

- avoid added sugars and oils

- eat a (primarily or complete) plant-based whole foods diet

- people are also experiencing some benefits from fasting, which can be divided into 3 categories:

  1. intermittent fasting
  2. a water fasting session, usually 1-3 days long
  3. going into ketosis for prolonged period of time