In another embodiment, an additional sensor can measure {HEAD ~ another piece} of information regarding the person using the hydration sensor, such as {TAIL ~ the persons body temperature} or activity level 
such as
In another embodiment , an additional sensor can measure { HEAD ~ another piece } of information regarding the person using the hydration sensor , such as { TAIL ~ the persons body temperature } or activity level
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH