How accurate are smart watches, and are they good for your health?

How accurate are smart watches, and are they good for your health?

Dr Richard Alcock’s lungs feel like they’re exploding, but he has to keep pedalling.

A mask is strapped tight to his face to capture every breath he manages to squeeze out over 15 minutes of increasingly intense cycling. … [read more]


Smartwatches have become increasingly popular for health monitoring due to their advanced features and the convenience they offer. These devices are equipped with various sensors and technologies that allow users to track and monitor different aspects of their health and fitness.

How they can be used:

  1. Heart Rate Monitoring:
    • Most smartwatches come with built-in heart rate sensors that continuously monitor your heart rate throughout the day. This feature is valuable for tracking your resting heart rate and detecting anomalies.
  2. Activity Tracking:
    • Smartwatches can monitor your daily physical activities, including steps taken, distance traveled, and calories burned. They often provide insights into your overall activity levels, encouraging you to stay active and reach fitness goals.
  3. Sleep Tracking:
    • Many smartwatches include sleep tracking features, which analyze your sleep patterns and provide information on the duration and quality of your sleep. This can help users make adjustments to improve their sleep hygiene.
  4. GPS Tracking:
    • For outdoor activities such as running, cycling, or hiking, smartwatches with GPS capabilities can track your route, distance, and speed. This information is useful for analyzing and improving your performance over time.
  5. Stress Monitoring:
    • Some advanced smartwatches are equipped with stress tracking features that analyze physiological markers to estimate stress levels. Users can receive alerts and suggestions for stress management based on these readings.
  6. Blood Oxygen (SpO2) Monitoring:
    • Many modern smartwatches include sensors to measure blood oxygen levels. This feature is particularly relevant for assessing respiratory health and can be useful during activities like high-altitude hiking or intense workouts.
  7. ECG (Electrocardiogram) Monitoring:
    • Some high-end smartwatches have ECG functionality, allowing users to take on-the-spot electrocardiograms. This can help in identifying irregular heart rhythms or potential heart issues. However, it’s essential to note that these readings are not a substitute for professional medical advice.
  8. Hydration and Nutrition Tracking:
    • Certain smartwatches allow users to log their water intake and nutritional information. This can be beneficial for maintaining overall health and wellness.
  9. Medication Reminders:
    • Some smartwatches can be programmed to provide medication reminders, ensuring that users stay on track with their prescribed medications.
  10. Integration with Health Apps:
    • Smartwatches often sync with health and fitness apps on smartphones, allowing users to have a comprehensive view of their health data. This integration enhances the overall user experience and makes it easier to manage health and fitness goals.

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