Sunday, March 4, 2018

The Duality of Your Fitness Tracker

Many of us nowadays have some sort of fitness tracker on our bodies. In the past, the fad was wearing a ticking pedometer, which, somewhat inaccurately, measured steps as the day went on. Now, whether it’s a Fitbit, a Garmin, or some sort of smart watch, these sleek sensors can be seen on wrists of people of all genders, race, and age. And for those that don’t have those fashionable fitness statements, even smartphones track steps and flights of stairs walked during the day. But, unknown by most, these sensors can serve more than just counting steps and calories. The data collected from these wearable trackers can be used in various fields of biomedical research. These sensors, which can be preset with the wearer’s age, height, and weight, can collect and measure relatively accurate data that can be then used to predict various markers for cardiovascular diseases. Because of the widespread interest in these sensors, a lot of effort has gone into investigating how else these trackers can be used and what else they can provide for the individual and the population.

Although there isn’t a lot of comprehensive data out there that compares wearable data with other data types, the data garnered from these sensors can still be of use. The most common thing that can be identified from this activity data is that of an enlarged heart, or “Athlete’s heart” as it is usually called. Previously, this issue was thought to only affect seriously competitive athletes, but now has been found to be in other athletes as well. The use of knowing if an individual may have an Athlete’s heart? It can be used to differentiate between the benign and dangerous data read from an EKG; it can prevent misdiagnoses and unnecessary stress in the clinic.   

With this, the same data can also be used to predict the levels of circulation of ceramides, a type of lipids that have been associated with obesity, diabetes, and heart disease. Active participants typically have a lower circulating level of ceramides than their non-active counterparts, information that would have previously relied on surveys or questionnaires.

In an interesting case, a Fitbit has been attributed with saving a man’s life by detecting a heart attack before it happened. After a notification from his wearable sensor alarmed him about a dangerous heart rate, he was able to make it to the hospital in time to receive life-saving medical attention. In another case, a woman speak recognizes her Fitbit as her guardian angel. Monitoring her heart rate and noticing the malignant daily increase, she was able to get to a hospital and be diagnosed with a pulmonary embolism, blood clots in the lungs, which is so often fatal. Both of these cases are obviously extreme, but they speak to the importance of these devices nonetheless.

The data these sensors provide seem to have endless possibilities and uses. Not only do they support fitness and avoiding sedentary lifestyles, they also can provide useful medical data. Whether it’s used by someone trying to ensure they move enough during the day, someone trying to lose weight, or someone monitoring their heart rate, these sensors have proved themselves to be an amazing piece of technology. The future in personalizable medicine involving these wearable trackers is bright.

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4 comments:

  1. I agree with your opinion in this piece. I think fitness trackers have been a great way to bring technology into medicine for everyday people. They are often a great motivator to get people excited about healthier lifestyles. Hopefully, these trackers can help us to better personalize health care and prevent a variety of diseases and conditions.

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  2. This is so interesting. Most of the time, I think of fitness trackers as pretty pointless - if you want to get exercise, get exercise. Why does it matter exactly how long you've been working out or what your heart rate is like? - but now, thanks to the information you've provided in your post, I might start to look at them in a new light. Although at least a little luck has to be involved, it's pretty crazy that someone's life was saved by their fitness tracker!! Great work.

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  3. I agree with your opinion in this piece. I believe there is great potential in these devices for creating personalized medicine or just health profile in general. In the future, I think these devices will be as common and cheap as mobile phones are nowadays

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  4. It is truly inspiring that we are closer to having wearable diagnostics tools. I had never heard of athletes heart, and it is interesting that simple fitness trackers can and have been used to diagnose problems like this. Maybe these devices will grow in both capability and prevalence, leading to a day when the device on our arm knows what it wrong with the body. This kind of change could revolutionize emergency care. Could it predict when a heart attack was about to happen and call for EMS? Or perhaps sense the disturbances that lead to strokes? I'm tingling with excitement at this prospect.

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