Understand your health,
in simple language

Expert-curated medical explainers, health tips, and wellness videos. Understand your health better with Health 656.

Health in Simple Language

See all articles →
10 Signs of Magnesium Deficiency: Why This Mineral Matters More Than You Think
Supplements

10 Signs of Magnesium Deficiency: Why This Mineral Matters More Than You Think

2026-04-04 10 min read
How Caffeine Affects Your Body: From the First Sip to 12 Hours Later
Nutrition

How Caffeine Affects Your Body: From the First Sip to 12 Hours Later

2026-04-04 10 min read
What Happens to Your Body During Sleep: The Science Behind Every Stage
Sleep

What Happens to Your Body During Sleep: The Science Behind Every Stage

2026-04-04 10 min read
How to Read Your Cholesterol Numbers: What LDL, HDL, and Triglycerides Actually Mean
Lab Results

How to Read Your Cholesterol Numbers: What LDL, HDL, and Triglycerides Actually Mean

2026-04-04 10 min read
Common Medication Mistakes That Harm Your Health: What Pharmacists Wish You Knew
Medication

Common Medication Mistakes That Harm Your Health: What Pharmacists Wish You Knew

2026-04-04 10 min read
Ozempic vs Mounjaro: Which Weight Loss Drug Works Better — The Head-to-Head Data
Medication

Ozempic vs Mounjaro: Which Weight Loss Drug Works Better — The Head-to-Head Data

2026-03-31 10 min read

Video Explainers

Heart valve illustration for aortic stenosis symptoms and TAVR treatment options
4:30
Heart Health

Aortic Stenosis — Symptoms, Diagnosis, and Valve Replacement Options

The Alliance for Aging Research explains aortic stenosis — a heart valve disease affecting 1.5 million Americans and 1 in 10 people over 75. Aortic s

2018-01-01 views
Medical illustration of a colonoscopy procedure and polyp removal
5:00
Symptoms

Colonoscopy Explained — What Happens During the Procedure

This animated medical explainer walks through the entire colonoscopy procedure step by step — from insertion to polyp removal to recovery. A colonosc

2020-01-01 views
3D medical animation of angioplasty and stent placement in a coronary artery
3:30
Heart Health

Angioplasty and Stent Placement — Medical 3D Animation

This cinematic 3D medical animation visualizes the complete angioplasty and stent placement procedure in stunning detail — no narration, just visuals

2020-01-01 views
Illustration of treatment after a heart attack including stents, bypass surgery, and medications
3:30
Heart Health

After a Heart Attack — Treatment and Medications Explained

This patient education video explains what happens during a heart attack and the treatments and medications prescribed afterward. The video begins wi

2019-01-01 views
Emergency guidance for what to do during a heart attack
2:30
Heart Health

What to Do During a Heart Attack — Emergency Steps That Save Lives

Dr. Demarcus Bayman walks through exactly what to do if you suspect someone is having a heart attack — a situation that occurs every 40 seconds in the

2023-01-01 views
Visual explanation of why CPR works and how chest compressions move blood
3:45
Heart Health

Why CPR Works — The Science Behind Chest Compressions

This visual explainer breaks down exactly what happens inside the body during CPR and why each detail of compression technique matters for survival.

2023-01-01 views
Thumbnail for Dementia Prevention and Early Warning Signs
5:00
Mental Health

Brain Health Awareness — Early Signs of Dementia and How to Protect Yourself

Dr. Matthew Tenenbaum, associate medical officer of health in Wellington-Dufferin-Guelph, discusses brain health awareness month and what everyone sho

2025-03-01 views
Thumbnail for Atrial Fibrillation Explained — How It Happens and How It's Treated
3:30
Heart Health

Atrial Fibrillation Explained — How It Happens and How It's Treated

This medical animation explains atrial fibrillation (AFib), a type of arrhythmia where the heart's upper chambers contract in rapid, uncoordinated twi

2020-01-01 views
Educational illustration about colon cancer in young people and screening
12:00
Symptoms

Colon Cancer in Young People — Why It's Rising and How to Protect Yourself

Dr. Peter Lin breaks down colon cancer in plain language — what it is, how it's detected, why it's increasingly appearing in younger people, and what

2024-06-01 views
News-style illustration about colon cancer screening age being lowered to 45
4:30
Symptoms

Colon Cancer Rates Nearly Double in Young Adults — Why Screening Age Was Lowered to 45

CBS News medical contributor Dr. Celine Gounder breaks down a JAMA study showing a sharp increase in colorectal cancer diagnoses among US adults under

2025-03-01 views
Thumbnail for End-Stage Congestive Heart Failure on Hospice — What to Expect
6:00
Heart Health

End-Stage Congestive Heart Failure on Hospice — What to Expect

A hospice nurse explains what families and patients can expect when placed on hospice for end-stage congestive heart failure (CHF), breaking down the

2023-06-01 views
Medical illustration explaining heart failure, ejection fraction, and treatment options
12:30
Heart Health

Heart Failure Explained — Systolic vs Diastolic, Left vs Right, and How It's Treated

This detailed medical explainer covers the complete pathophysiology of heart failure — how it develops, why symptoms occur, and how it's treated. Hea

2020-01-01 views
Thumbnail for Heart Murmurs Explained — Systolic and Diastolic Sounds, Causes, and How They're Diagnosed
5:15
Heart Health

Heart Murmurs Explained — Systolic and Diastolic Sounds, Causes, and How They're Diagnosed

This medical animation breaks down heart murmurs — what they sound like, when they occur, and what conditions cause them. A healthy heartbeat produce

2020-01-01 views
Thumbnail for Heart Sounds Explained — S1, S2, S3, S4, and Murmurs with Audio Examples
10:00
Heart Health

Heart Sounds Explained — S1, S2, S3, S4, and Murmurs with Audio Examples

This beginner-friendly explainer walks through every heart sound — normal and abnormal — with real audio examples so you can hear the difference. The

2022-01-01 views
Thumbnail for Heart Murmurs and the SCRIPT Mnemonic
12:00
Heart Health

Heart Murmurs Complete Guide — The SCRIPT Mnemonic for Every Valve Disorder

This comprehensive medical tutorial covers every major heart murmur using the SCRIPT mnemonic: Site, Character, Radiation, Intensity, Pitch, and Timin

2023-01-01 views
Thumbnail for Heart Murmurs Quick Overview — What Stenosis and Regurgitation Mean
0:45
Heart Health

Heart Murmurs Quick Overview — What Stenosis and Regurgitation Mean

This short explainer from the American Heart Association introduces heart murmurs in under a minute. A heart murmur is the sound of blood whooshing or

2020-01-01 views
Step-by-step explanation of how an AED works during cardiac arrest
4:00
Heart Health

How an AED Works — A Real Cardiac Arrest Save Explained Step by Step

This video uses the actual ECG strip from a real cardiac arrest survivor named Steve to show exactly how an AED (automated external defibrillator) wor

2023-01-01 views
Educational image explaining blood pressure and how hypertension damages arteries
4:30
Heart Health

What Is Blood Pressure and How Does Hypertension Damage Your Arteries?

This TED-Ed animation explains blood pressure from first principles — what it is, what makes it rise, and how sustained high pressure damages blood ve

2018-01-01 views
Educational illustration about blood pressure readings, medication options, and lifestyle support
18:00
Heart Health

Blood Pressure Complete Guide — Stages, Medications, Side Effects, and Natural Remedies

MedShadow Foundation provides the most comprehensive blood pressure resource in one video — covering everything from what the numbers mean to all nine

2024-01-01 views
Thumbnail for Insulin Resistance and Obesity Explained
16:00
Diabetes

Is the Obesity Crisis Hiding a Bigger Problem?

Surgeon and researcher Peter Attia shares a deeply personal TED talk that challenges the conventional understanding of obesity, diabetes, and insulin

2013-06-05 views
Illustration of common early signs and symptoms of diabetes
3:30
Diabetes

10 Early Signs and Symptoms of Diabetes

This short explainer walks through ten subtle warning signs that diabetes may be developing — often before a formal diagnosis. Diabetes damages the b

2024-01-01 views
Animated diagram showing what causes diabetes and how insulin regulates blood sugar
5:30
Diabetes

What Causes Diabetes? — Diabetes Mellitus Explained

Dr. Binocs breaks down the science of diabetes mellitus in a beginner-friendly animated explainer aimed at younger audiences. The video starts with t

2022-01-01 views
Anatomy illustration showing coronary artery blockage causing a heart attack
0:30
Heart Health

How Two Small Arteries Can Trigger a Heart Attack

A quick YouTube Short explaining how coronary artery blockages lead to heart attacks and cardiac arrest. Just two small coronary arteries keep your e

2024-01-01 views
Medical illustration explaining what happens during a heart attack
5:13
Heart Health

What Happens During a Heart Attack?

This TED-Ed animated lesson explains the full lifecycle of a heart attack — from plaque buildup to emergency treatment to long-term prevention. Appro

2017-05-01 views
Thumbnail for How a Heart Attack Happens — In 30 Seconds
0:30
Heart Health

How a Heart Attack Happens — In 30 Seconds

A quick YouTube Short visualizing the mechanics of a heart attack. A coronary artery becomes blocked by plaque — a sticky mix of fat and other substan

2024-01-01 views
Thumbnail for How Can You Tell If Your Heart Is Weak or Strong?
0:45
Heart Health

How Can You Tell If Your Heart Is Weak or Strong?

A cardiac surgeon explains in under a minute how doctors assess heart strength. It starts with history and physical examination — shortness of breath

2024-01-01 views
Thumbnail for Heart Disease Risk Factors
7:30
Heart Health

Your Heart and You — Three Risk Categories Everyone Should Know

Dr. Jen Ashton hosts this ABC News special on heart disease, the number one killer in America — claiming one life every 36 seconds. The segment introd

2021-02-01 views
Dr. Stacy Sims discussing female-specific exercise and nutrition strategies
2:52:07
Women's Health

Female-Specific Exercise & Nutrition Protocols with Dr. Stacy Sims

Exercise physiologist Dr. Stacy Sims joins the Huberman Lab podcast for an in-depth conversation on how women's training and nutrition needs differ fu

2024-06-175.2M views
Women's health experts discussing hormones, PCOS, menopause, and menstrual cycle health
2:31:44
Women's Health

The Truth About Women's Health: Hormones, PCOS & Menopause

Four leading female health experts — exercise physiologist Dr. Stacy Sims, fertility doctor Dr. Natalie Crawford, OB-GYN Dr. Mary Claire Haver, and or

2024-11-1812M views
Thumbnail for Why Is It So Difficult to Cure Cancer?
5:21
Symptoms

Why Is It So Difficult to Cure Cancer?

A TED-Ed animated explainer that tackles one of medicine's biggest questions: why, after billions of dollars in research, haven't we cured cancer? The

2016-10-258.7M views
Thumbnail for We Can Start Winning the War Against Cancer
12:33
Symptoms

We Can Start Winning the War Against Cancer

Stanford researcher Adam de la Zerda shares a deeply personal and scientifically fascinating TED talk about why we're losing the war on cancer — and h

2016-11-151.3M views
Thumbnail for How Alzheimer's Disease Affects Your Brain Cells
3:17
Mental Health

How Alzheimer's Disease Affects Your Brain Cells

A concise animated explainer of how Alzheimer's disease progressively destroys brain function at the cellular level. The video begins with how memorie

2020-11-101.2M views
Thumbnail for How Healthcare Systems Can Improve
19:17
Lifestyle

How Do We Heal Medicine?

Surgeon and writer Atul Gawande delivers a compelling TED talk arguing that modern medicine's greatest challenge isn't a lack of knowledge — it's a la

2012-04-171.5M views
Thumbnail for How to Train on Your Period — Your Menstrual Cycle Explained
15:22
Women's Health

How to Train on Your Period — Your Menstrual Cycle Explained

Fitness creator Chrissy Chella breaks down the 28-day menstrual cycle into two clear phases and explains exactly how to adjust your training for each

2024-01-01 views
Thumbnail for Atomic Habits Summary
1:48:00
Lifestyle

Atomic Habits: James Clear's System for Building Habits That Stick

Mel Robbins sits down with James Clear, author of the 25-million-copy bestseller Atomic Habits, for a deep conversation on why behavior change fails a

2024-01-01 views
Thumbnail for How Movement Can Support Mental Health
16:48
Mental Health

Reclaim Your Mental Health Through Movement

Olympic medal-winning diver Leon Taylor delivers a powerful TEDx talk on why physical movement is the most underused weapon against mental health prob

2019-03-213.8M views
Thumbnail for Complete Guide to Nutrition
12:00
Nutrition

Complete Guide to Nutrition: Proteins, Fats, Vitamins, Minerals & More

A comprehensive and entertaining walkthrough of every major nutrient your body needs to function — proteins, fats, vitamins, minerals, carbohydrates,

2026-03-15 views
Thumbnail for Macronutrients Explained
4:12
Nutrition

Nutrition 101: The Basics of Macronutrients

A beginner-friendly breakdown of the three macronutrients — protein, carbohydrates, and fat — and why each one matters for your body. The video starts

2026-03-15 views
Thumbnail for Nutrition Explained
15:32
Nutrition

Nutrition Explained — Everything You Need to Know

A fast-paced, animated deep dive into how nutrition actually works inside your body — from the moment food enters your mouth to how cells turn it into

2025-03-101.5M views
Educational graphic explaining the difference between type 1 and type 2 diabetes
2:39
Diabetes

What Is Diabetes? Type 1 and Type 2 Explained

A clear and accessible overview of diabetes from Diabetes UK, explaining what both Type 1 and Type 2 diabetes are and how they affect the body. The vi

2026-03-15 views
Animated explanation of type 2 diabetes and insulin resistance
4:26
Diabetes

Understanding Type 2 Diabetes

A clear, animated explainer that breaks down exactly what Type 2 diabetes is and how it develops in your body. The video starts with the basics — how

2019-06-182.3M views
Thumbnail for A Cardiac Surgeon's Top 3 Supplements for Heart Health
0:59
Heart Health

Top 3 Supplements a Cardiac Surgeon Keeps for Heart Health

A cardiac surgeon breaks down the only three supplements they would keep if forced to choose — based on clinical experience and evidence. First is ome

2026-03-15 views
Thumbnail for How to Keep Your Heart Healthy
6:06
Heart Health

Cardiologist Shares How He Keeps His Heart Healthy

Dr. Mike Heffernan, a cardiologist and returning guest on Talking with Docs, reveals the five things he personally does to protect his own heart. This

2025-04-151.19M views
Thumbnail for What Happens To Your Body When You STOP Eating Sugar
10:25
Nutrition

What Happens To Your Body When You STOP Eating Sugar

How could something so sweet be slowly killing you from the inside? This video puts sugar on the chopping block and reveals what it really does to you

2024-03-15710K views
Thumbnail for ADHD vs Anxiety
18:22
Symptoms

Is It ADHD or Anxiety? How to Tell the Difference

Psychiatrist Dr. Christy Lamb joins MedCircle to break down how ADHD and anxiety are commonly confused — and how to tell them apart. She explains that

2023-06-15 views
⚕️
Medical Disclaimer: Content on Health 656 is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider for diagnosis and treatment.