Videos
Videos that explain what happens inside the body.
Watch a selection here or go straight to YouTube.
Videos
Watch a video. Keep exploring.
They thought their mole was changing because they scratched it... but it was melanoma | NEVUS VS MELANOMA
Watch hereSickle cell anemia: CRISPR gives them back the hemoglobin they were born with
Watch hereRound face, belly and purple stretch marks: too much cortisol | CUSHING SYNDROME
Watch hereThis is how cancer hides from your defenses: the vaccine that unmasks it .. melanoma
Watch hereDrinking milk as an adult is a mutation
Watch hereDrinking milk as an adult is a mutation .. lactose intolerance
Watch hereYour muscle couldn’t keep going .. here’s what muscle failure looks like inside.
Watch hereHe came in with a urinary obstruction .. and we found a fungus in his prostate
Watch hereDuring an anxiety attack, you are not running out of air .. you have too much air, and that is why your hand clenches.
Watch hereIt started with diarrhea. Weeks later, he could not move his legs
Watch hereDoes sunlight get rid of a baby’s jaundice?
Watch hereGluten and celiac disease: he was still exhausted while his intestine was being damaged
Watch hereWhy someone with rabies cannot even take a sip of water
Watch hereHPV in men: the risk is not prostate cancer
Watch hereI did the Murph challenge .. and this is what can break down inside your body
Watch hereTetanus: the smile no doctor wants to see
Watch hereThe disease that will not let you release your grip
Watch hereHuman papillomavirus (HPV): we saw the virus almost everyone will get
Watch hereThe sleeping pill that turns down the volume on your memory
Watch hereHerpes, trichomonas, yeast, vaginosis .. your Pap test detects more than cancer
Watch hereA child covered in bruises without being hit .. and it was not abuse
Watch herePancreatic cancer: the pill that finally doubled survival
Watch hereA single night of sleep can predict 130 diseases
Watch hereThis placenta has infarcts .. this is how preeclampsia works from the inside
Watch hereWhy babies turn yellow .. and why blue light treats it
Watch hereA biopsy does NOT spread cancer .. the two most dangerous myths
Watch hereCatherine O’Hara did not die from cancer .. she died from this
Watch herePolycystic ovary syndrome is no longer called that .. here is the change almost no one knows about
Watch hereWhat hantavirus does to the human body
Watch hereA bacterium from your mouth could be accelerating breast cancer
Watch hereYour stomach could digest itself .. but it does not
Watch hereA spot on the skin kept growing and bleeding .. this is what we found under the microscope
Watch hereHe was arrested for drunk driving .. but he had not had a drink
Watch hereHow a kiss revealed cystic fibrosis .. and the new treatment that changed everything
Watch herePsoriasis: why your skin flakes and bleeds when you scratch it
Watch hereWhat liver cancer looks like .. and why it almost always starts the same way
Watch hereI saw a uterus filled with clusters of grapes .. this is what it was
Watch hereToenail fungus: how we diagnose it
Watch hereThe biopsy result: benign or malignant?
Watch hereA child with a lump in his neck .. what I consider before the biopsy
Watch hereYou weigh the same as your neighbor but are much sicker .. BMI fell short
Watch hereAcute pancreatitis: what a pancreas digesting itself looks like
Watch hereYour fat remembers obesity .. that is why the weight comes back
Watch hereSyphilis: the infection that disguises itself as almost any disease
Watch hereWhy cancer wastes the body .. science is beginning to understand it
Watch hereMonths of itching and blisters all over the body .. and it was not an allergy
Watch hereA pill for sleep apnea .. this could change everything
Watch hereWhat the hands of a patient with a heart infection can look like
Watch hereThey found several tumors in his liver .. but the cancer started somewhere else
Watch hereAn injection for high cholesterol?
Watch hereYour brain washes itself while you sleep .. without sleep, waste builds up
Watch hereShe felt a lump in her neck .. what I saw under the microscope confirmed everything
Watch hereA colonoscopy with no symptoms... and this is what they found | COLON POLYP
Watch hereA squamous lesion that looked like nothing .. how the sun turns it into cancer
Watch hereFecal transplant: an alternative approach for cancer
Watch hereFatal pneumonia: what we found at autopsy
Watch hereHe thought they were bruises .. it was cancer caused by a virus
Watch hereInvisible cancer: detecting it in the blood before symptoms appear
Watch hereUltra-processed foods: 100 studies, one conclusion
Watch hereThe virus that lies dormant in 80% of you right now
Watch hereYour kidneys can grow to weigh 10 kilograms
Watch hereCancer cases will nearly double by 2050
Watch hereHis skin was screaming that his kidneys were failing
Watch hereYour intestine does not just process what you eat. It processes what you feel.
Watch hereWhy preventing measles matters
Watch hereThis appendix is about to rupture
Watch hereHe thought it was gastritis .. it was signet ring cell cancer
Watch hereProtect yourself against measles
Watch hereBreast cancer: it returned in the skin, where no one was looking
Watch hereCirrhosis: the leading cause is no longer alcohol
Watch hereOzempic: the magic injection for weight loss?
Watch hereTuberculosis: he thought his cough was COPD .. we confirmed it under the microscope
Watch hereThe effects of exercise can be passed on to your children
Watch hereStroke: everything can change in a matter of minutes
Watch hereHe was worried about skin cancer .. this is what it actually was
Watch hereHPV: this is what it looks like while infecting your cells
Watch hereColon cancer .. caused by a bacterium?
Watch hereA heart attack without pain: the one that gives no warning
Watch hereMultiple sclerosis: a promising new therapy
Watch hereHis prostate cancer traveled all the way to his vertebrae
Watch hereThe thyroid: the small gland that controls almost your entire body
Watch hereFibromyalgia: your pain IS real
Watch hereUterine fibroid: the hidden cause of bleeding
Watch hereUV rays on your skin: how they age you
Watch hereAlzheimer’s: the blood test that could detect changes before symptoms begin
Watch hereSun damage: how sunlight ages your skin without you feeling it
Watch hereThe world’s most personalized gene therapy
Watch hereThe strangest ovarian tumor
Watch hereThe flu vaccine does not give you the flu
Watch hereUsing viruses as antibiotics .. seriously?
Watch hereThe truth behind gluten
Watch hereGluten: villain or falsely accused?
Watch hereGluten: your own body attacks your intestine (celiac disease explained under the microscope)
Watch hereMolluscum contagiosum: the virus that hides in the skin
Watch hereLeaky gut: intestinal permeability
Watch hereThe Nobel Prize in Medicine
Watch hereHow long can you live without breathing?
Watch hereOxygen: why your body shuts down when you stop breathing
Watch hereThe Pap test could soon come to your home
Watch herePheochromocytoma
Watch hereWhy hangovers happen
Watch hereDoes alcohol increase the risk of cancer?
Watch hereVaccines against cancer
Watch hereThis is what happens to your brain when you drink alcohol
Watch hereWhat gallbladder cancer looks like
Watch hereWhy does alcohol make you run to the bathroom?
Watch hereCoffee, cold water, and other myths about sobering up
Watch hereWhy do women become intoxicated faster than men?
Watch hereYour liver can process only one drink per hour
Watch hereDoes alcohol hit harder on an empty stomach? It is not a myth. It is science.
Watch hereWhat alcohol really does to your body, one drink at a time
Watch hereWhat HPV looks like while deforming cells .. and what we look for in a Pap test
Watch hereCould your hair loss be telogen effluvium? What may be happening
Watch hereAlopecia areata, explained simply
Watch hereWhat healthy hair follicles look like
Watch hereA simple, tight hairstyle can cause hair loss
Watch hereAlopecia: why your hair falls out and which types allow it to grow back
Watch hereTacos versus bacteria?
Watch hereThe bacterium that picks a fight with your stomach
Watch hereDo you have gastritis? Do you think stomach burning is “normal”?
Watch hereH. pylori: the bacterium living in your stomach right now that can cause cancer
Watch hereThe virus that causes warts can also cause cancer
Watch hereYour daily habits can affect your DNA
Watch hereWhat cancer looks like under a microscope
Watch hereCancer is not a modern disease
Watch hereCancer: the exact moment a cell betrays your body
Watch hereUnder the microscope
HPV: how a cell changes
A journey from the cervix to a koilocyte seen on a Pap test.
Under the microscope
Latest microscopy videos.
Examine tissues and cells with Carlo in ten cases.
View all microscopy videosThey thought they had caught something... but it was an autoimmune disease | VITILIGO
Watch hereThey thought their mole was changing because they scratched it... but it was melanoma | NEVUS VS MELANOMA
Watch hereGluten and celiac disease: he was still exhausted while his intestine was being damaged
Watch hereHuman papillomavirus (HPV): we saw the virus almost everyone will get
Watch hereHerpes, trichomonas, yeast, vaginosis .. your Pap test detects more than cancer
Watch hereA spot on the skin kept growing and bleeding .. this is what we found under the microscope
Watch herePsoriasis: why your skin flakes and bleeds when you scratch it
Watch hereToenail fungus: how we diagnose it
Watch hereSyphilis: the infection that disguises itself as almost any disease
Watch hereMonths of itching and blisters all over the body .. and it was not an allergy
Watch hereAll formats
Latest videos.
The channel’s latest videos, in every format.
View all videos