Effect of exposure to extremely low frequency magnetic fields on melatonin levels in calves is seasonally dependent
Research
RF Safe Research Library
Sep 18, 2015
This animal study measured salivary melatonin in 1–2 month old calves exposed to 50 Hz extremely low frequency magnetic fields in the hundreds of nT range. The authors report a season-dependent response: melatonin decreased with exposure in winter but increased in summer. They suggest future studies should consider…