My bathroom connected scale pretend telling me my total body water level? How could it do that?
A bathroom scale connected to a smartphone or computer can estimate your total body water level through a process called bioelectrical impedance analysis (BIA). BIA works by using a small electrical current that passes through your body.
When you step on the scale, the electrical current passes through your legs and lower body, and the scale measures the resistance encountered. The resistance to the electrical current is influenced by the amount of water in your body because water conducts electricity more effectively than fat or bone.
The scale uses this resistance measurement, along with your height, weight, age, and sex, to estimate your total body water level using algorithms or formulas. These formulas are based on population averages and may not be entirely accurate for everyone, but they can provide a rough estimate.
It’s important to note that the estimate provided by a connected bathroom scale is not as accurate as other methods used in medical settings, such as dual-energy X-ray absorptiometry (DEXA) or hydrostatic weighing. However, it can still give you a general idea of your body water level and provide some insights into changes over time.
Keep in mind that factors such as hydration, temperature, recent activity level, and chronic health conditions can influence your body water level and affect the accuracy of the scale’s estimation. Therefore, it is always advisable to interpret the data provided by the scale with caution and consult with a healthcare professional for more accurate assessments or if you have concerns about your body water levels.
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