Do Fitness Trackers Actually Work? What Science Says…

Do Fitness Trackers Actually Work? What Science Says…

Are you using a fitness tracker? More and more people are tracking their activities with a smart watch, fitness band, or even a smart ring.

These devices track movement, heart rate, calorie burn, sleep patterns, oxygen levels and more. Sounds amazing…but is the information you get actually accurate? And does it make you healthier?

In this video we discuss what science tells us about fitness trackers and their impact on our health.

Let’s get into it!

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“Science provides the knowledge we need to improve our health – but it’s also science’s job to make sure that knowledge is accessible to everyone.” – Dr. Samir Gupta

Nothing matters more than our health. And science is the key to understanding and maximizing our health and wellness. Yet new studies are reported in the news every day, and it seems impossible to keep up and figure out what’s important. At the same time, science is too often presented in a traditional style that’s unnecessarily complex and hard to understand.

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*The contents of this video are intended for informational and educational purposes only and are not a substitute for professional medical advice. Always seek the advice of your physician.

References:
https://ijbnpa.biomedcentral.com/articles/10.1186/s12966-015-0314-1
https://www.digitaltrends.com/wearables/how-accurate-are-fitness-trackers/
https://jamanetwork.com/journals/jamacardiology/article-abstract/2566167
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6305876/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8951323/
https://bjsm.bmj.com/content/54/6/332
https://www.nature.com/articles/s41598-021-98453-3#Abs1
https://www.sciencedirect.com/science/article/abs/pii/S0747563219303127
https://jamanetwork.com/journals/jama/article-abstract/2089651?redirect=true
https://www.thelancet.com/journals/landia/article/PIIS2213-8587(16)30284-4/fulltext
https://jamanetwork.com/journals/jama/fullarticle/2553448
https://www.thelancet.com/journals/landig/article/PIIS2589-7500(22)00111-X/fulltext
https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2782127
https://sportsmedicine-open.springeropen.com/articles/10.1186/s40798-021-00407-6#citeas
https://link.springer.com/article/10.1186/s12966-020-00955-2#citeas
https://pubmed.ncbi.nlm.nih.gov/35131229/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8357265/

11 Comments

  1. Dr. G, I’m a 55 year old unhealthy diabetic man with neuropathy and more. I would like to buy a device that can tell me (fairly accurately) my heart rate, oxygen, etc. I would like to start getting in shape but without knowing what my body is doing I’m afraid. Is there anything that could help someone who isn’t interested in tracking their running or miles but just monitoring their health while they do light to moderate exercise?

  2. thanks doc this is exactly what I expected, the watch having no significant effect on becoming more active, but if I only use it for the first 6 months and it helps me upload more stats to my strava feed about recent cycling then it may be worth it.

  3. Thank you for the video.
    It’s not about motivating yourself, it is about the data.
    Any data about you will become VERY useful in the future

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