Fitness on MikeRoberto.com

My Blood Work After 1.5 Years on a Low Vitamin A Diet: The Good, The Bad, and The Ugly

It's July 2024, I've been on a low vitamin A diet for 19 months now, and this is my second check-in. My previous blood results were December 2023, 12 months in. I'm 42 years old.

There will be some TMI in this thread. At the end, I link to my diet and a spreadsheet with ALL of my life's blood work, with the ages and diet strategies I was on at those times. My first …

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Regarding This Week's Shark Attack in San Diego

Before I begin, I'd like to send my condolences out to the family of Dr. David Martin, who was killed by a great white shark in Solana Beach earlier this week.

I've recently received a good number of concerned messages after Dr. Martin's death, since I've been swimming and surfing a lot lately. While I appreciate your concern, I am here to publicly state that I am not going to stop swimming or surfing due …

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My 2008 MS 150 Adventure from Houston to Austin

2025 Update: This page has been updated to include all of my 2008 MS 150 postings. I was "micro-blogging" throughout the event (well ahead of its time!), but that doesn't work so well on a blog. So all postings and comments are merged here.

Riding the 2008 MS 150 From Houston to Austin: Help Donate! Hey everyone!

On April 12, I will be joining the MS 150, a 2-day biking adventure from Houston to …

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Berto's Pre-Surfing Workout For Lon

This weekend, Lon will be visiting me after doing some work in San Diego. On Saturday, we will go surfing, which will be Lon's first time. Depending on surf conditions, hangovers, and the weather, we will be going to either Seal Beach or El Porto.

In order to get Lon ready for the surf, I am proposing Berto's Pre-Surfing Workout. Lon will have two grueling days to prepare for the time of his …

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Got Some New Toys!

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I Had LASIK Surgery... And Totally Regret It.

December 2025 Update

About a month after this article was published, I posted an update titled "I Can't Cry", explaining my dry eye problem. Truth be told, I always had dry eyes. Looking back at it two decades later, it's clear what my vision issues were really from: Vitamin A toxicity.

I ended up back in contacts in 2013, and things deteriorated until I figured it out. It's now improving, but …

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