Biohacking
Heart rate variability: what the number in your app means
HRV is the variation in the time intervals between heartbeats.
Blog
Every article takes a claim you have already heard about food and follows the mechanism behind it — what actually happens in the body, what the research supports, and where the claim stops being true.
Biohacking
Biological age: how epigenetic clocks are calculated
A "biological age" test returns a number that can be compared to your chronological age.
Biohacking
Red light and photobiomodulation: where the trials are, and where it's just a lamp
Photobiomodulation is the application of red and near-infrared light.
Biohacking
Autophagy: why the Nobel Prize was awarded and what is being sold based on it
Autophagy is a mechanism by which a cell breaks down its own damaged parts and recycles the material.
Biohacking
Mitochondria: what lies behind the term "cellular energy" in supplement marketing
Mitochondria are organelles where oxygen and nutrients are converted into ATP.
Biohacking
The "optimization" lab panel: what happens when you test for everything
The logic of "measure first, intervene later" seems flawless and is therefore rarely questioned.
Biohacking
Probiotics: why the strain matters more than the word on the label
The label says "lactobacillus.
Biohacking
Breathing practices: what has been measured in the Wim Hof method, hyperventilation, box breathing, and slow rhythm techniques
The term "breathing practices" usually refers to four different things: slow rhythm, equal phases of inhalation and exhalation, conscious hyperventilation, and the Wim Hof protocol, where breathing is combined with cold exposure and meditation.
Biohacking
Sauna and the heart: what the Finnish cohorts showed and where the link ends and the conjecture begins
The sauna often appears in biohacking not because there are robust trials on it, but because it has a compelling curve from Finnish cohorts: the more often people visited the sauna, the lower their cardiovascular mortality.
This article is for general information. It is not medical advice, a diagnosis, or a prescription for treatment or a diet, and it does not replace a consultation with your doctor. If you have a health condition, are pregnant, take medication, or follow a diet prescribed to you, decisions about food belong with your doctor.
Figures from regulations, guidelines and studies are given as they stood when this article was prepared and may since have changed; check them against the primary sources. This article is not advertising, an offer, or individual advice, and neither the author nor the site owner is responsible for decisions taken on the basis of it.