Dose & Effect
Wudtr channel

Dose & Effect

How everyday medicines actually work - mechanisms, delays, risks, and myths - plain language, not medical advice. Every video is one drug or class + one counterintuitive mechanism.

Why Grapefruit Turns One Statin Into Several: CYP3A4, Furanocoumarins, and the 1989 Discovery
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Why Grapefruit Turns One Statin Into Several: CYP3A4, Furanocoumarins, and the 1989 Discovery

Why Does GRAPEFRUIT Turn One STATIN Into Several? Intestinal CYP3A4, furanocoumarins, and the 1989 accident that put a fruit on a drug label.

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Why Does Grapefruit Turn One Statin Into Several? CYP3A4 & Furanocoumarins1d ago

Why Does Grapefruit Turn One Statin Into Several? CYP3A4 & Furanocoumarins

Why OZEMPIC Silences Your Brain's Food Noise2d ago

Why OZEMPIC Silences Your Brain's Food Noise

Why Does Grapefruit Turn One Statin Into Several? CYP3A4 and Furanocoumarins Explained2d ago

Why Does Grapefruit Turn One Statin Into Several? CYP3A4 and Furanocoumarins Explained

How the Birth Control Pill Fools Your Body Into Thinking You're Pregnant3d ago

How the Birth Control Pill Fools Your Body Into Thinking You're Pregnant

PPI Rebound Acid Hypersecretion Explained: Why Stopping Omeprazole Causes Heartburn3d ago

PPI Rebound Acid Hypersecretion Explained: Why Stopping Omeprazole Causes Heartburn

Why Does GRAPEFRUIT Turn One STATIN Into Several?4d ago

Why Does GRAPEFRUIT Turn One STATIN Into Several?

Why STEROID Pills Take Hours While Painkillers Take Minutes24d ago

Why STEROID Pills Take Hours While Painkillers Take Minutes

Is CAFFEINE the Riskiest Everyday Stimulant?16d ago

Is CAFFEINE the Riskiest Everyday Stimulant?

Does IBUPROFEN Actually Fight Inflammation or Just Pain?13d ago

Does IBUPROFEN Actually Fight Inflammation or Just Pain?

How the PILL Fools Your Body Into Thinking You're Pregnant23d ago

How the PILL Fools Your Body Into Thinking You're Pregnant

Why METFORMIN Quietly Stops Your Liver From Flooding You With Sugar14d ago

Why METFORMIN Quietly Stops Your Liver From Flooding You With Sugar

Why OPIOIDS Feel Like Relief — Then Demand More22d ago

Why OPIOIDS Feel Like Relief — Then Demand More

Why PARACETAMOL Has the Narrowest Everyday Safety Margin23d ago

Why PARACETAMOL Has the Narrowest Everyday Safety Margin

Why Do PPIs Stop Working After Long-Term Use?19d ago

Why Do PPIs Stop Working After Long-Term Use?

Why Does ADDERALL Calm ADHD Brains?18d ago

Why Does ADDERALL Calm ADHD Brains?

Why Do STATINS Take Weeks to Lower Cholesterol?17d ago

Why Do STATINS Take Weeks to Lower Cholesterol?

Why Do SSRIs Take WEEKS to Work?Jul 20, 2026

Why Do SSRIs Take WEEKS to Work?

Do ANTIBIOTICS Still Train Superbugs When You Feel Fine?12d ago

Do ANTIBIOTICS Still Train Superbugs When You Feel Fine?

Why Melatonin Stops Working After Week One13d ago

Why Melatonin Stops Working After Week One

The Decongestant That Doesn't Work13d ago

The Decongestant That Doesn't Work

Immune Flare-Up14d ago

Immune Flare-Up

CAFFEINE Doesn't Give Energy — It Blocks Your Tiredness Signal15d ago

CAFFEINE Doesn't Give Energy — It Blocks Your Tiredness Signal

Insulin: The Key That Unlocks Your Cells15d ago

Insulin: The Key That Unlocks Your Cells

How Incomplete Antibiotic Courses Create Superbugs16d ago

How Incomplete Antibiotic Courses Create Superbugs

Why Your Ankle Throbs: The Science of Ibuprofen17d ago

Why Your Ankle Throbs: The Science of Ibuprofen

Liver Override18d ago

Liver Override

Three Hours Later19d ago

Three Hours Later

Why It Stopped19d ago

Why It Stopped

Not Killed—Starved20d ago

Not Killed—Starved

The Threshold20d ago

The Threshold

Why Daily HEARTBURN Pills Can Trap You in Rebound Acid20d ago

Why Daily HEARTBURN Pills Can Trap You in Rebound Acid

The Caffeine Paradox21d ago

The Caffeine Paradox

Still Coughing21d ago

Still Coughing

INSULIN Doesn't Cure Diabetes — It Unlocks Your Cells21d ago

INSULIN Doesn't Cure Diabetes — It Unlocks Your Cells

The Throb22d ago

The Throb

Your Eyes Get Worse22d ago

Your Eyes Get Worse

Your Brain's Morphine23d ago

Your Brain's Morphine

Pill Timing23d ago

Pill Timing

The Risks of Abrupt SSRI Discontinuation24d ago

The Risks of Abrupt SSRI Discontinuation

Why MELATONIN Stops Working After a Few Weeks25d ago

Why MELATONIN Stops Working After a Few Weeks

Why SSRIs Take WEEKS When Brain Chemistry Changes in Hours25d ago

Why SSRIs Take WEEKS When Brain Chemistry Changes in Hours

Fake Pregnancy26d ago

Fake Pregnancy

The Paradox26d ago

The Paradox

Why Do Scientists Still Obsess Over METFORMIN?Jul 21, 2026

Why Do Scientists Still Obsess Over METFORMIN?

Does LOW-DOSE ASPIRIN Help You — or Hurt You?Jul 22, 2026

Does LOW-DOSE ASPIRIN Help You — or Hurt You?

How Does the PILL Fake Pregnancy in Your Body?Jul 25, 2026

How Does the PILL Fake Pregnancy in Your Body?

Are HEARTBURN Pills Risky as a Daily Habit?Jul 26, 2026

Are HEARTBURN Pills Risky as a Daily Habit?

Does INSULIN Cure Diabetes — or Just Unlock It?Jul 29, 2026

Does INSULIN Cure Diabetes — or Just Unlock It?

How Does IBUPROFEN Block Pain Before It Starts?27d ago

How Does IBUPROFEN Block Pain Before It Starts?

Why LAXATIVES Work — and When They Backfire26d ago

Why LAXATIVES Work — and When They Backfire

Why MELATONIN Stops Working After a Few Weeks26d ago

Why MELATONIN Stops Working After a Few Weeks

Why LAXATIVES Work — and When They Backfire27d ago

Why LAXATIVES Work — and When They Backfire

How Does IBUPROFEN Block Pain Before It Starts?28d ago

How Does IBUPROFEN Block Pain Before It Starts?

How Does ASPIRIN Stop Blood Clots Forever?28d ago

How Does ASPIRIN Stop Blood Clots Forever?

How Does ASPIRIN Stop Blood Clots Forever?29d ago

How Does ASPIRIN Stop Blood Clots Forever?

How Do LAXATIVES Really Work?29d ago

How Do LAXATIVES Really Work?

Why Can't Antibiotics Kill Your COLD?Jul 30, 2026

Why Can't Antibiotics Kill Your COLD?

How Do LAXATIVES Really Work?Jul 30, 2026

How Do LAXATIVES Really Work?

Why Can't Antibiotics Kill Your COLD?Jul 29, 2026

Why Can't Antibiotics Kill Your COLD?

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