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October 10, 2025 • 54 mins
Your brain weighs just three pounds, yet it's capable of storing 2.5 petabytes of information (around 3 million hours of high-def TV). It fires signals as fast as a Formula 1 car speeding at 268 miles per hour, and has roughly 100 billion neurons (as many as the stars in the Milky Way).
Your brain generates about 20 watts of power - enough to light a dim bulb. But the most interesting part about this is that half of your powerful brain is devoted entirely to vision, processing images in as little as 13 milliseconds. That's 10x faster than the blink of an eye.
In this episode, Josh sits down with Dr. Meenal Agarwal, board-certified optometrist, author and host of the Uncover Your Eyes podcast, to explore how the brain and eyes work together and what it takes to keep them healthy.
TOPICS DISCUSSED IN THIS EPISODE:
- How your eyes work and the eye-brain connection
- How screens are creating poor eyesight
- What's causing vision loss in our world today
- How to repair eyesight
- Eyesight prevention and protecton for yourself and your kids
- How poor eyesight create slow reactions times and puts you at risk
- The gut-eye-brain connection
- Amazing facts about your brain (and your eyes)
More from Dr. Meenal Agarwal
Instagram: @dr.meenalagarwal
Podcast: Uncover Your Eyes
Website: drmeenal.com
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