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vittorio Profile picture
vittorio
@IterIntellectus
bio/acc –– ∞/acc — biology will rage against the dying of the light — don't take me seriously professional shitpoaster
10 subscribers
Jul 25 • 14 tweets • 3 min read
every sperm you produce carries 74 days of molecular memory from your life

that beer gut isn't just yours anymore. obese fathers pass methylation changes that make their sons 47% more likely to be infertile

🧵1/13 Image you're not just passing DNA. you're passing software updates written by your diet, stress, and chemical exposure

these epigenetic instructions literally control which genes turn on in your child

2/13
Jul 22 • 6 tweets • 1 min read
nobody talks about how the internet killed regional culture.
everyone under 30 has the same personality now.

your grandparents' generation had accents, local customs, regional humor. you have tiktok trends and twitter discourse. we traded diversity for connectivity
gained the world, lost the neighborhood. everyone knows the same memes but nobody knows their neighbors.

previous generations moved cities to become different people. now you can't escape yourself. your digital footprint follows everywhere.
Jul 10 • 18 tweets • 3 min read
a hot room is probably the reason why your sleep sucks

1/ Image your thermostat is hijacking your circadian biology. not metaphorically. your SCN literally can't trigger proper sleep hormones when ambient temp stays constant

2/
Jul 8 • 19 tweets • 4 min read
15 minutes of sauna activates the exact same cellular repair pathways as 48 hours of fasting

1/ Image most people use saunas for relaxation or to detox through sweating which completely misses the real mechanism happening inside your cells where 15 minutes of heat stress triggers the same longevity pathway as 48 hours of fasting

2/
Jul 7 • 19 tweets • 3 min read
air conditioning is great, but it's also making you weaker
constant 70°F systematically deactivates two critical circuits hardwired into your DNA

1/ Image the real vulnerability isn’t the heatwave itself, but the lifetime of climate-controlled comfort that has silenced your body’s thermal adaptation circuits.

2/
Jul 1 • 19 tweets • 3 min read
drinking pure water makes you dehydrated because it gets rid of the minerals you need to get water in your cells
1/ Image you're drinking gallons of purified water and still dehydrated at the cellular level because modern hydration advice ignores the actual mechanism of how water enters cells through specialized protein channels called aquaporins

2/
Jul 1 • 32 tweets • 5 min read
today i turn 30, and as it goes, it' time for reflection

so here are 30 lessons i’ve learned so far
1/ 1-
 most of your life is decided 9 months before you were born, but what you do with it is on you

your genetics, family, and your environment are set before you’re born, not much you can do about it
but once you’re old enough to understand that, it’s all in your hands and you can do the most with it.
blaming others won’t save you. you have the responsability to do the best you can with what you have
Jun 30 • 19 tweets • 3 min read
losing just 2% of your body mass in water reduces your cognitive performance by 28% and your brain starts shrinking

1/ Image that 3pm brain fog that feels exactly like a hangover even when you've been good? it's not fatigue or low blood sugar

it's your brain cells physically shrinking because you're walking around in a state of chronic cellular dehydration and nobody talks about the mechanism

2/
Jun 25 • 16 tweets • 4 min read
holy shit, it’s here!

deepmind just released AlphaGenome.
an AI model that reads 1 million bases of DNA and predicts how any mutation changes molecular function

not just in single genes but across the entire regulatory genome.

DNA is code, and you are software
1/ Image oh yeah, and it's an API
github.com/google-deepmin…
Jun 24 • 18 tweets • 3 min read
scientists analyzed dust from 2,000 u.s. homes. 45 toxic chemicals in nearly every single one. 10 of these were in over 90% of samples. right now, you're breathing flame retardants from your couch. your body is absorbing them through your lungs and skin.

1/ Image these chemicals are endocrine disruptors leaching from your furniture, electronics, and flooring. every time you sit down, walk across carpet, or disturb dust, you're creating an aerosol of hormone-disrupting chemicals.

2/
Jun 21 • 21 tweets • 4 min read
women who had c-section have a 3mm thick web connecting the scar to their shoulder.
surgeons at mount sinai tracked 247 women post-surgery. 73% developed shoulder pain 2-7 years later. same side as the incision.
no injury. just physics.
1/ Image they used 3D ultrasound to watch what happens.
scar tissue forms a fascial dam - tissue 40% denser than surrounding areas. this creates a pull of 2.3 pounds of constant tension traveling up through your deep abdominal fascia.
2/
Jun 20 • 21 tweets • 3 min read
every time you do a bicep curl 30% of your strength is leaking sideways and ends up in your leg.
biomechanics researchers finally measured it only a couple of years back

your muscles don't behave like you think.
1/ Image university of queensland. 2021. 47 sensors on one lifter.
bicep curl. simple movement.
force appeared in the opposite calf.
2/
Jun 19 • 21 tweets • 3 min read
researchers stuck electrodes into living human fascia during movement.

recorded 0.7 millivolts per step.

your connective tissue is a literal power grid and every step you take generates electricity

1/ Image not metaphorical energy. measurable voltage.
collagen crystals compress. ions displace.
1.4 picocoulombs of charge per newton of force.

scientists couldn't believe their oscilloscopes.

2/
Jun 19 • 17 tweets • 4 min read
everyone’s sharing this thread on "cognitive debt" as if it was anything but garbage
of course it sounds deep with the "BREAKING," "let that sink in," "AI is making us dumber"

but the paper's methods are sloppy, the experimental design doesn't make sense and it's only goal is to fearmonger while not saying anything useful

wait, academics have interests in telling people that AI bad?! what?!
shocked_pickachu_face.jpg the paper claims that using AI to write leads to
– weaker brain activation
- lower memory
– reduced cognitive “ownership”
the problem is that the study doesn’t measure learning, like, at all
Jun 18 • 21 tweets • 3 min read
it wasn't until 2020 that researchers actually counted nerve endings in human fascia.

250 million sensors.

your skin only has 200 million.

1/ Image imagine having more sensors in your internal wrapping than on your entire body surface.
researchers realized: this isn't protective tissue.
it's your largest sensory organ.
2/
Jun 17 • 20 tweets • 3 min read
the most overlooked organ in your body is your fascia

it’s labeled passive but it isn’t: it contracts on its own, for hours, sometimes days.
when you stretch a tight muscle, you might be worsening the problem because you’re targeting the wrong system.
1/ Image most of your "tightness" isn't muscular, it's your fascia gripping from the inside
this isn't muscle cramping. it's smooth muscle actin embedded in fascia. the same protein that squeezes your arteries is pulling your tissue into tension. your fascia can contract like an organ
2/
Jun 16 • 21 tweets • 2 min read
autopsy studies tracked water content in human fascia across ages.

the numbers are terrifying...

newborns: 80% water
elderly: less than half

we're literally drying out

1/ Image that's a 37.5% drop.

imagine your body as a grape slowly becoming a raisin.
except it's happening inside your tissues.

right now.

2/
Jun 11 • 20 tweets • 3 min read
researchers watched cancer develop in real-time across 11,000 people. but the tumors only grew in those whose NK cells had gone quiet

then they found what silences these cells in 90% of us

1/ Image you have killers in your blood right now. natural killer cells that flow through every blood vessel, looking for rogue cells before they become tumors. they don't wait for orders. they just kill.

but yours might be asleep.

2/
Jun 8 • 22 tweets • 5 min read
this week i went down the autonomic nervous system rabbit hole

found out why you're exhausted: most adults flood their system with cortisol 26,000 times daily just because they are breathing wrong.
here's everything else I learned
1/ Image for more: open.substack.com/pub/iterintell…
Jun 6 • 21 tweets • 3 min read
after tracking 14,672 hearts for decades, researchers discovered something that could predict disease 5-10 years before symptoms appeared.

yet 99% of doctors never measure it.
hearth rate variability (HRV), one of the most important biomarkers to track
1/ Image inside your chest right now, milliseconds are telling a story. not the beats themselves but the tiny variations between them. when scientists finally measured these gaps, they found a biological crystal ball.
2/
Jun 5 • 19 tweets • 3 min read
scientists tracked 10,000 women's heart rate variability through their cycles. found something nobody expected.

the female body runs two different operating systems each month. and medicine has been reading the wrong manual.

1/ Image dr. martinez noticed her anxious patients had something in common. their worst days weren't random.

they clustered. always the same part of their cycle. but their doctors kept prescribing the same solutions.

2/