Khan Klinics

Khan Klinics Welcome to Khan Klinics by Dr. Amir Khan MD FRCSI MSc

We aim to simplify complex health topics for everyone. and worldwide.

Our channel features expert interviews, in-depth analysis of health-related issues, from leading experts in the U.S.

09/02/2026

What Does Vitamin D Have to Do With Sleep?

Could vitamin D be connected to how we sleep?

Dr. Stasha Gominak discusses an unexpected connection she observed between vitamin D levels, sleep quality, sleep timing, and the brain systems involved in sleep and wakefulness.

Watch the full conversation for more insights into the fascinating relationship between vitamin D, the brain, and sleep.

Subscribe to Khan Klinics for more science-backed health conversations and expert insights.

09/01/2026

Why 12 Hours of Sleep Can Still Leave You Exhausted

Can you sleep for 12 hours and still wake up exhausted?

Dr. Stasha Gominak shares a remarkable case of an 18-year-old girl who appeared to be sleeping normally but, according to her sleep study, repeatedly woke into light sleep instead of maintaining deep sleep.

In this episode, we explore what deep sleep means, why disrupted sleep architecture can leave you unrefreshed, and how sleep problems may have different underlying causes.

Subscribe to Khan Klinics for more health updates.

08/29/2026

What If Falling Into a Black Hole Doesn’t Mean the End?

What if a black hole could lead somewhere else in the universe?
Scientists have theorized that black holes and white holes could potentially be connected by a wormhole—but we still don’t know if this is physically possible.

Watch the full video to explore this mind-bending possibility—and subscribe for more fascinating science & health content.

08/28/2026

Will AI Ever Solve Physics? The Questions Will Never End

What if AI eventually gives us the answers to some of the biggest mysteries in physics—would physics finally be complete?
In this thought-provoking discussion, we explore why the search for knowledge may never truly end—and why curiosity is at the heart of physics.

08/25/2026

How Poverty Affects Your Brain and Body

Poverty affects more than finances—it can also have a profound impact on mental and physical health through chronic stress. Learn how long-term financial insecurity can influence overall well-being.

Subscribe to Khan Klinics for more health tips.

08/22/2026

Can GLP-1 medications like Ozempic help people overcome food addiction?

Dr. Vera Tarman explains why these medications can be a powerful starting point—but not the complete solution. Watch to learn how reducing sugar cravings fits into long-term recovery.

08/21/2026

Stop Overthinking With These Simple Tips

Overthinking can affect your sleep, focus, and peace of mind. In this short video, learn how to recognize overthinking and discover simple ways to regain mental clarity and reduce unnecessary stress.

Subscribe to Khan Klinics International for more health tips and wellness advice.

08/20/2026

Why You Can't Stop Thinking About Food | Dr. Vera Tarman

Do you constantly think about food—even when you're not hungry? That persistent mental chatter is often called "food noise," and it may be more than just a lack of willpower.

Dr. Vera Tarman shares why the brain's reward system can make certain foods incredibly difficult to resist and why understanding food addiction is the first step toward lasting change.

08/19/2026

The Surprising Link Between Poor Sleep and Sugar Cravings

Ever wonder why you crave sugary foods after a poor night's sleep? Sleep deprivation can increase ghrelin, the hormone that makes you feel hungry, while lowering leptin, the hormone that tells your brain you're full. The result? Stronger cravings for sweets, junk food, and extra snacks—even when your body doesn't need the calories.

At Khan Klinics, we turn medical research into simple, practical health advice to help you make healthier everyday choices.

08/18/2026

What Happens to Your Brain While You Sleep?

Did you know your brain has its own cleaning system? During deep sleep, the glymphatic system helps remove waste proteins and toxins, supporting memory, focus, and long-term brain health. Watch this short to discover why quality sleep is one of the best investments you can make for your brain. Subscribe to Khan Klinics for more science-backed health tips.

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