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What Do Your Kidneys Have To Do With Finding Nemo?

Finding Nemo is one of my favorite Disney-Pixar cartoons. Not only does it have a cute story line, but it’s full of medical themes – consider the movie’s namesake with a congenitally deformed fin (Nemo), the shark with addiction problems (Bruce), and the blue tang fish with memory impairment (Dory). Even Nemo’s captor turns out to be a dentist! But when I think about the scene where the fish attempt escape from the dentist’s tank by plugging up the filter system to get him to remove them for cleaning, I always think about kidneys. Yep, you heard me right. Kidneys.

Kidneys are fairly under appreciated organs. They filter waste out of 200 liters of blood each day, much the way a fish tank’s filter system purifies its water. Most of us probably don’t even notice a fish tank filter when we gaze at the plastic plants, pebbles, and colorful animals inside the tank – just as we don’t give our kidneys a second thought until they cause us problems.

But the reality is that an astonishing number of people will develop chronic kidney disease (CKD) in their lifetime, largely due to complications from diabetes. An estimated 26 million Americans have CKD, and the majority don’t even know it. Our fish tank filters are failing slowly – and the build up of “algae and grime” just doesn’t cause symptoms until very late in the failure process.

Since March is Kidney Awareness Month, I thought it would be a good time to reflect upon the hard work that our little guys are doing each day. Beyond filtering drugs and chemicals from the blood, kidneys balance body fluids and electrolytes, create Vitamin D, regulate our blood pressure, and produce hormones that stimulate our bodies to produce red blood cells. In fact, anemia can be one of the first signs of kidney failure, and may be experienced as generalized fatigue. People with CKD often suffer from anemia, which can be treated with dietary changes, oral iron, IV iron, or blood transfusions depending on disease severity.

So whether or not you’ve been feeling fatigued, why not ask your primary care physician to check your kidneys next time you’re there for a check up? A simple blood test can identify many kidney diseases early on – so that you can take steps to keep your filter system healthy for life. Just ask Nemo – being in a dirty fish tank is no way to live.

For more information about CKD and anemia, please check out this infographic:

Are Plastic Products Safe? Educational Webinar Reviews The Science

Concerns about plastic safety have been growing over the years, and the media has stepped up its efforts to expose potential dangers associated with plastic compounds such as bisphenol A (BPA) and phthalates. The problem is – there is very little scientific evidence linking plastic to human harm, and no credible evidence that our current typical exposures to BPA poses any health risks at all (so say the health agencies of the United States, Canada, the European Union, and Japan). But that’s not a very exciting story, is it?

Instead, what we often hear in the news is that microwaving our plastic containers or drinking from plastic water bottles could be dangerous to our health… and that BPA-free containers are better for baby. But where did the media come up with these ideas? I asked Dr. Chuck McKay, a toxicologist and emergency medicine physician at the University of Connecticut, to explain how safe levels of exposure (to various chemicals) are determined, and how to know if news reports are based on scientific evidence. I hope you’ll listen in to this educational Webinar.

Some of my favorite take-home messages from the Webinar include what I call “just becauses”:

1. Just because you can find a substance in your urine doesn’t mean it’s harmful. (Asparagus anyone?)

2. Just because an animal reacts to a substance, doesn’t mean that humans will. (How often have you caught a cold from your dog?)

3. Just because extreme doses of a substance can cause harm, doesn’t mean that tiny doses also cause harm. (Consider radiation exposure from riding in an airplane versus being near ground zero of a nuclear strike).

4. Just because something has a theoretical potential to harm, doesn’t mean it will. (Will you really be attacked by a shark in 2 feet of water at your local beach?)

5. Just because someone conducted a research study doesn’t mean their findings are accurate. (Do you really believe the Cosmo polls? There’s a lot of junk science out there!)

For an excellent review article of the high-quality science behind plastic safety, please check out this link. In the end, there are far more important health concerns to worry about than potential exposure to plastic compounds. And throwing out all your plastic containers may not even reduce your exposure to BPA anyway… A recent study found that people had higher concentrations of BPA in their urine when they followed a plastic-free, organic diet! Their exposure was actually traced to ground cinnamon, coriander, and cayenne pepper. Who knew?

Latest Interviews

IDEA Labs: Medical Students Take The Lead In Healthcare Innovation

It’s no secret that doctors are disappointed with the way that the U.S. healthcare system is evolving. Most feel helpless about improving their work conditions or solving technical problems in patient care. Fortunately one young medical student was undeterred by the mountain of disappointment carried by his senior clinician mentors…

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How To Be A Successful Patient: Young Doctors Offer Some Advice

I am proud to be a part of the American Resident Project an initiative that promotes the writing of medical students residents and new physicians as they explore ideas for transforming American health care delivery. I recently had the opportunity to interview three of the writing fellows about how to…

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Latest Book Reviews

Book Review: Is Empathy Learned By Faking It Till It’s Real?

I m often asked to do book reviews on my blog and I rarely agree to them. This is because it takes me a long time to read a book and then if I don t enjoy it I figure the author would rather me remain silent than publish my…

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The Spirit Of The Place: Samuel Shem’s New Book May Depress You

When I was in medical school I read Samuel Shem s House Of God as a right of passage. At the time I found it to be a cynical yet eerily accurate portrayal of the underbelly of academic medicine. I gained comfort from its gallows humor and it made me…

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Eat To Save Your Life: Another Half-True Diet Book

I am hesitant to review diet books because they are so often a tangled mess of fact and fiction. Teasing out their truth from falsehood is about as exhausting as delousing a long-haired elementary school student. However after being approached by the authors’ PR agency with the promise of a…

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