No, there is currently no scientifically validated method to read or measure a human's frequency in the sense of a specific vibrational or energetic frequency. While humans do emit various forms of electromagnetic radiation, such as heat and light, these are not typically referred to as "frequencies" in the context of reading or assessing a person's state or condition.
However, in certain pseudoscientific or alternative medicine practices, such as energy healing or aura reading, individuals may claim to be able to perceive or measure a person's "frequency" or energy field. These concepts are not supported by scientific evidence and are often considered to be based on subjective interpretations or beliefs rather than measurable phenomena.
In summary, from a scientific standpoint, there is currently no recognized or accepted method to read or measure a human's frequency in the context of assessing their physical, mental, or spiritual state.