Washington: How many steps did you walk? There are gadgets available in the market that provide instant information about blood pressure, blood oxygen, etc. Smartwatch,Rings are at risk for patients. For this, there is a trend of using smartwatches as well as rings, But the US Food and Drug Administration has warned citizens that the information provided by the device may not be accurate. Citizens, patient care centers and companies supplying these devices have been alerted. It has been clarified that no smartwatch is authorized to measure glucose levels. Based on these readings, it is explained that if the patient is taking medication, it may pose a health risk.