TRT™ — The New Standard for Mental Health Recovery. A therapy, not a self-help programme.

The Institute ofApplied Psychophysiology

The Institute of Applied Psychophysiology

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Contact Details

If you are seeking anxiety recovery support or wish to begin TRT™ Therapy, please contact the Institute using the details or enquiry form on this page.

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Kidderminster, Worcestershire
United Kingdom

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+34 621 147 013

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Your message will be sent directly to our team at comms@instituteofappliedpsychophysiology.com

1,000s of Testimonials — Proof That TRT™ Therapy Delivers Permanent Recovery

"If you doubt this method works, check out further evidence in books such as 'rewire the brain' by John B Arden. It worked for me, and will for anyone if they…"

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"Just a note to anyone thinking of buying this product — It does work! I had all the symptoms including chronic muscle pain, racing heart, horrid thoughts, OC…"

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"I just wanted to thank you personally, Charles, for your method! After only 5 weeks I have my life back. I never thought I'd feel OK again — I thought my lif…"

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"I owe my life to Charles Linden. He was like an angel that came into my life and made me believe that I can get rid of my anxiety. I love this man with all m…"

— Rey

"Just wanna say a quick thanks... You've made sense of it all now and I'm working with your pack every day. Worth every penny. The world's a better place with…"

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"I found the program during a time of suffering from acute anxiety and panic attacks. Not a single panic attack since, and that was 4 years ago. I know I'll n…"

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"God Bless you, for you already have changed my life over 5 years ago! I know your method works because I'm set free by it! You are a gift from God and I than…"

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"I found your website by chance and I can believe it — I've read only the first 12 pages and for me it's enough! You can believe or not, but the change was im…"

— Dr. Branko M., MD, MS — Serbia

"Charles Linden is doing things in the anxiety recovery field that no one else has even tried to do. For years I thought I was going mad, now I'm anxiety free…"

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"Recovery is real. It actually happens. I didn't believe it was possible. Then I did Linden Recovery & TRT™ Therapy. I am now anxiety free and have been for o…"

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"Linden Recovery & TRT™ Therapy has made me more self-confident, less anxious, and a much more compassionate person. I have been doing it for a year now and h…"

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"You have a great gift from God in helping people my friend, keep up the good work! To all who may be curious or skeptical — it really does work! Stick with t…"

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"It's amazing how much more relaxed I feel. I'm actually looking forward to life's big changes rather than frightened! I'm so thankful I came across Linden Re…"

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"I had agoraphobia for 6 years and changed over 20 psychologists and psychiatrists but they couldn't help. After 6 years, I'm OUT again, feel so good, like no…"

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"This method works! Don't bother with all the other therapies out there that promise to work and cost a fortune. Mr Linden, you rock! I wish I had found the m…"

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"I bought the method about 18 months ago. Right now I feel free of anxiety and panic attacks. Thank you."

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"I've been doing Linden Recovery & TRT™ Therapy for 2 weeks and oh my God — the difference! I was sat in the car today and had an attack and it just washed ov…"

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"Linden Recovery & TRT™ Therapy changed my life. I suffered for years with panic attacks and anxiety. Within weeks of starting the program I was a different p…"

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— Sarah W.

"Charles Linden is a genius. Simple as that. He understood what was happening in my brain when no doctor or therapist could explain it. His method gave me my …"

— David H.

"I was housebound for three years with agoraphobia and severe anxiety. Linden Recovery & TRT™ Therapy got me out of the house, back to work, and living life a…"

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"My daughter was suffering terribly with anxiety at age 16. Within six weeks of Linden Recovery & TRT™ Therapy she was back at school, socialising, and laughi…"

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"I was sceptical — very sceptical. But after six months of conventional therapy going nowhere, I tried Linden Recovery & TRT™ Therapy. Three months later I ca…"

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"Linden Recovery & TRT™ Therapy is the only anxiety treatment that actually addresses the cause rather than the symptoms. Everything else I tried just masked …"

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"I've recommended Linden Recovery & TRT™ Therapy to everyone I know who struggles with anxiety. The results speak for themselves. Charles Linden has done some…"

— Michael O.

"After years of CBT and medication I thought I would never be free. Linden Recovery & TRT™ Therapy showed me how to actually switch off the anxiety at its sou…"

— Patricia G.

"I work as a nurse and see anxiety patients every day. I recommend Linden Recovery & TRT™ Therapy to every single one of them. The neurological explanation is…"

— Susan T., RN

"Charles — you saved my marriage. My anxiety was destroying everything. Linden Recovery & TRT™ Therapy turned everything around in a matter of weeks. My husba…"

— Claire R.

"I had panic disorder so severe I couldn't drive. After Linden Recovery & TRT™ Therapy I drove to Scotland from London — alone. That's the power of this program."

— Tony W.

"The simplicity of Linden Recovery & TRT™ Therapy is what makes it so powerful. No complicated techniques, no pills, no side effects. Just a clear, logical pa…"

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"I cried when I read the testimonials on Linden Recovery & TRT™ Therapy website because I thought — finally, someone who understands. Charles Linden understan…"

— Rachel H.

"My anxiety had become so bad I'd stopped eating properly, stopped seeing friends, and barely left my room. Linden Recovery & TRT™ Therapy brought me back to …"

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"I've battled health anxiety for 20 years. Tried everything. Linden Recovery & TRT™ Therapy is the first and only thing that has actually resolved it. I genui…"

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"Intrusive thoughts had ruined my life for 15 years. Linden Recovery & TRT™ Therapy explained why they happen and, more importantly, how to stop them. I wish …"

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"Social anxiety had left me isolated and unemployed. After Linden Recovery & TRT™ Therapy, I got a job, made friends, and started dating. My life has complete…"

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"My son was suffering with OCD and anxiety at age 12. The child-appropriate version of Linden Recovery & TRT™ Therapy was incredible. He's been symptom-free f…"

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"I flew long-haul for the first time in 11 years after completing Linden Recovery & TRT™ Therapy. I actually enjoyed the flight. I cannot describe how impossi…"

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"The explanation of the fear response system and how anxiety perpetuates itself was the lightbulb moment I needed. Once I understood the mechanism, Linden Rec…"

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"Every penny spent on Linden Recovery & TRT™ Therapy was worth it. I've spent tens of thousands on therapy over 10 years with no lasting result. Linden Recove…"

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"I thought I was broken beyond repair. My anxiety was with me every waking moment for seven years. Linden Recovery & TRT™ Therapy proved me wrong — and I am d…"

— Tracey L.