In the future, people can detect many diseases at home early with simple kits that check blood, sweat or even earwax, feces.
A new application on the smartphone scans the patient's retina and sends images to doctors for remote diagnosis.
Researcher Michael McAlpine and his research team at Princeton University in the United States have successfully engineered and transplanted microelectronic sensors on the teeth.
A new chip, which can replace several laboratories that specialize in blood tests, confirms the disease has emerged, diagnosing the underlying disease for early treatment.