Biohacking

Biohacking is a self-improvement movement that applies science and technology to enhance physical and mental performance. It encompasses techniques like nootropics for cognitive enhancement, cold exposure for improved resilience, and intermittent fasting for metabolic health. This niche explores the optimization of bodily functions and mental acuity through personalized experiments and lifestyle interventions.

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Cold Exposure: Complete Guide

Cold exposure is the deliberate use of cold water, air, or ice to trigger short, controlled stress that can influence the nervous system, circulation, inflammation signaling, mood, and recovery. Done well, it can be a powerful tool for resilience and symptom relief. Done poorly, it can impair training gains, disrupt sleep, or become genuinely dangerous, so method and timing matter.

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NIH Indirect Costs: What Your Tax Dollars Fund

The most important takeaway is that a large share of NIH grant money may not go directly to experiments, it can go to “indirect costs” (overhead) that support institutions. The video argues that capping indirect costs at 15% is not “anti-science” because many philanthropies already use similar caps, and because overhead can become bloated or opaque. The discussion also raises a trust issue: taxpayers fund NIH, but private universities may benefit through high overhead rates. This article explains what indirect costs are, why they matter for health research, and practical questions to ask when you see headlines about “cuts.”

Jan 21, 2026Read