<p>This practical handbook gives you the basics of WHY and HOW to use the Perrin Technique to underpin recovery from Long-Covid and restore healthy lymphatic drainage from the brain following Covid-19 infection or vaccination. Bringing together the post-pandemic context, the background science and Dr Perrin's clinical findings, this new book is a clear, concise account of the structural and neuro-immunological problems that can lead to the sympto...