Biohacking 2025: From Cold Plunges to Nootropics – Separating Science from Hype

Biohacking 2025: From Cold Plunges to Nootropics – Separating Science from Hype "Upgrade your biology like a machine." ⚡ Biohacking has exploded into the mainstream in 2025, with everyone from CEOs to college students optimizing their bodies and brains with cold plunges, smart drugs, and red light therapy . But with so many trends claiming to boost longevity, cognition, and performance , how do you know what actually works—and what’s just expensive placebo? This is your definitive guide to evidence-based biohacking , covering the latest science, real-world results, and hidden risks. The Biohacking Boom: Why Now? Tech advancements: Wearables like Oura Ring 4 and Whoop 5.0 now track HRV, glucose, and ketones in real time. Celebrity influence: From Hugh Jackman’s cryotherapy to Andrew Huberman’s sleep stack , biohack...