<ul><li>Tech entrepreneur Bryan Johnson spends $2 million annually on an unconventional quest for youthfulness, but denies undergoing plastic surgery or "drinking blood."</li><li>Johnson experimented with blood plasma exchange therapy, swapping blood with his 70-year-old father and teenage son, sparking controversy over ethics and effectiveness.</li><li>Recently, Johnson announced discontinuation of plasma exchange therapy, stating it did not provide the desired benefits for his anti-aging pursuits.</li></ul>

I don't drink blood: US Tech CEO who spends $2 mn per year to get 18-yr-old's body

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