@viral.endoscope on Instagram: "- The video depicts a classic Raynaud’s episode, showing a fingertip’s vasospasm-induced pallor rapidly reversing to red hyperemia upon warm water application, illustrating improved peripheral circulation. - Raynaud’s phenomenon impacts about 5% of the global population, predominantly women aged 20-40, with primary cases being benign and secondary forms linked to conditions like scleroderma per a 2020 meta-analysis in Rheumatology. - Replies reveal personal discom