Smartphones are becoming increasingly powerful diagnostic tools, capable of identifying a range of medical conditions from heart attacks to throat infections. These devices can now analyse blood, urine, and breath samples, and even detect cancer. This is achieved through the use of various add-ons and apps, which utilise the phone’s camera, microphone, and other built-in sensors.

One such device is the smartphone otoscope, which can detect ear infections. Other devices use the phone’s camera to analyse blood samples, enabling the detection of conditions such as anaemia, cholesterol levels, and blood clotting. There are also smartphone breathalysers, which can identify signs of lung disease or diabetes.

However, the accuracy of smartphone diagnoses is still a concern. While these devices can provide invaluable data, they are not yet a replacement for a doctor’s examination. Additionally, there are legal and ethical issues to consider, particularly regarding data privacy.

Despite these challenges, the smartphone diagnostic market is growing, with over 100,000 health-related apps available. This trend is set to continue, with the potential to revolutionise healthcare by making diagnosis more accessible and convenient.

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