Manual diaphragm therapy may change mobility or discomfort in some people, but many systemic claims in the original article were hypotheses, not established physiology. Here is a safer evidence-based version.
Massage
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Dry cupping creates suction on intact skin. It may temporarily change local sensation and blood flow, but evidence for meaningful pain relief is uncertain and detox or fat-removal claims are unsupported.
Wet cupping may provide short-term pain relief for some conditions, but evidence quality is generally low. It has not been shown to remove toxins, cholesterol or ‘bad blood’. This article separates my personal experience from clinical evidence and safety considerations.