The heart in the skin
How ultraviolet radiation releases the skin's nitric oxide to regulate blood pressure and fight cardiovascular risk
Andrés Giustini
A lover of learning and of sharing it, especially the kind that can improve our lives
45 articles by Andrés
AGI, quantum computing and the future of humanity
From artificial general intelligence to quantum acceleration and the geopolitics of silicon: reflections on the role of humanity in the synthetic era
Limits, hallucinations and the real cost
Why artificial intelligence does not think, the dead ends of synthetic memory and the physical, energy and legal bill
The Zeigarnik effect, or the cost of having brilliant ideas
The psychological phenomenon that sabotages your rest in the name of creativity
Structured water: the terrain of health
The liquid battery in your cells, and how to protect it from the modern environment
The one and only
Why environment, diet and freedom dictate the true richness and nutritional density of the egg
The creator's workshop
Models, tools and the keys that let artificial intelligence connect with the real world
Vitamin B6
The workshop where neurotransmitters are made
The spectrum of AI and the map of power
Three kinds of systems, three geopolitical poles and the struggle between open models and the closed giants
The origins and foundations of AI
From Turing's enigmatic test to artificial neural networks: how humanity has spent decades trying to replicate its own mind in silicon
Sunlight against H. pylori
How UVB radiation and vitamin D3 switch on the natural defenses that fight this gastric pathogen
Blue blocker glasses
The optical shield that protects you from the artificial light wrecking your biology
Endless cold or “broken” gut?
How your microbiota dictates your defenses, your headaches and your daily energy
Procrastination and the limbic hijack
Neuroscience shows that procrastination is not a lack of willpower or organisation, but a defence mechanism for regulating frustration
Glycine: the forgotten building block of life
The key amino acid that slows cellular ageing, improves sleep and rebuilds your tissues from within
Vitamin B5
The universal connector of life and the cell's invisible engine
The electricity of food
The metabolic pathways of the macronutrients and how mitochondria reduce food to a source of electrons
Science under coercion
mRNA, the freedom at stake and the consent nobody asked for
The physiology of dawn
Why the sunlight you meet on waking is the biochemical signal your body needs to oxidise fat efficiently
Vitamin B3
The currency the cell spends on its energy and on repairing its DNA
The (harmful) obligation to socialize
Why forcing extroversion wears down the nervous system, and why protecting your mental energy is an act of health
Vitamin B2
The fluorescent pigment that turns food into energy
The problem with the modern eye
The visual toll of modern life, and the scientific evidence on how the sun restores the metabolism of vision
The cellular response to light
Lipid peroxidation, internal photoprotection and a practical guide to eating: from the armour of grass-fed fat to the danger of industrial oils
The molecular architecture
Chain length, degree of saturation and the metabolic fate of fatty acids
The invisible link between the sun and the gut microbiota
How UVB radiation switches on receptors that reinforce the intestinal barrier and tune immunity
On testosterone, status and metabolic health
A neurobiological journey through the hormone that governs how we position ourselves before others, and how to tune its inner factory
Draughts and summer colds
The mystery of peripheral thermal sensitivity and the false alarms of the autonomic nervous system
The biological impact of latitude
How our cells work as electrical batteries tuned to the photoperiod and to solar radiation
Vitamin B1
The spark plug of the human engine
The infinite scroll trap
What happens in your brain when you fall into the short-video loop
Anatomy of a full drawer
The psychology behind keeping things we never use
Vitamin A
The pigment of sight and the secret code of the skin
Introduction
The alphabet of life: the nutrients the human body needs in order to work
Real meat vs. industrial «meat»
How intensive farming altered the biology of ruminants and turned an ancestral food into a health and environmental problem
What did I come in here for?
What science says about those small everyday lapses that prove your mind is (far too) efficient
The truth about antioxidants
The biology behind our real defence network against oxidative stress
The contagion dilemma
The hidden hypothesis about the origin of pandemics, the role of exosomes and environmental medicine
Bioelectricity: can voltage cure cancer?
The tissues of the human body coordinate their anatomy through voltage. What if cancer were, in fact, a problem of electrical communication?
Endorphins
Blessed pain: endorphins and evolution's emergency system
Serotonin
The mood thermostat: why serotonin is much more than the «happiness hormone»
Oxytocin
The social glue: oxytocin and the chemistry of human tribes
Dopamine
The myth of the pleasure hormone: why dopamine prefers the chase to the trophy
The hidden science of the coconut
How the coconut's molecular structure challenges nutrition's labels and surprises dermatology
The Sun and the rhythm of light
How the solar spectra of dawn, noon, and dusk coordinate cell biology and vitamin D
