Biohacking is the practice of using science, technology, and self-experimentation to optimize your biology — your body, your brain, your performance, your longevity.
It ranges from the simple to the extreme:
Foundational biohacking — optimizing the basics. Sleep, nutrition, exercise, stress management, sunlight exposure. This is where 90% of the benefit comes from and it requires zero technology.
Quantified self — tracking biometrics with wearables. Heart rate, sleep, HRV, glucose, steps. Data-driven optimization. Devices like Oura Ring, WHOOP, continuous glucose monitors.
Supplementation — nootropics, adaptogens, vitamins, minerals. Ranges from well-evidenced (vitamin D, omega-3s, creatine) to speculative (racetams, peptides).
Biofeedback and neurofeedback — using real-time physiological data to train brain and body. EEG for brain optimization, HRV training for stress resilience.
Cold/heat exposure — cold plunges, saunas. Evidence supports benefits for inflammation, mood, cardiovascular health, and stress tolerance.
Advanced/experimental — gene therapy, stem cells, senolytics (drugs that clear senescent cells), CRISPR self-experimentation. This is the frontier — exciting but risky.
The eugenics dimension is the uncomfortable part of this conversation. Historical eugenics was a horror — forced sterilization, genocide, pseudoscience in service of racism. But the underlying question — “can we improve human biology?” — hasn’t gone away. CRISPR gene editing, embryo selection, and genetic screening raise these questions again in new forms.
The ethical framework: individual choice to optimize your own biology = generally fine. Coercive programs to “improve” populations = historically catastrophic. The line between the two requires constant vigilance.
Related: Biofeedback, EEG, Future tech, fitness