▁ge op ath ic ▁stress . ▁von ▁P ohl ▁conducted ▁a ▁study ▁in ▁the ▁Bav arian ▁town ▁of ▁V ils bib urg ▁in ▁ 1 9 2 9 ▁which ▁pur port ed ▁to ▁link ▁focus ▁points ▁of ▁' ear th - rad iation ' ▁ger . ▁Erd stra hlen ▁with ▁inc idence ▁of ▁cancer . ▁ ▁Ley ▁lines ▁( a ▁supp osition ▁introduced ▁by ▁Alfred ▁Wat kins ▁in ▁ 1 9 2 5 ) ▁have ▁also ▁been ▁suggested ▁to ▁create ▁ge op ath ic ▁stress . ▁ ▁Ge op ath ic ▁stress ▁( GS ) ▁ ▁It ▁is ▁suggested ▁that ▁the ▁Earth ▁has ▁a ▁natural ▁v ibration , ▁but ▁features ▁like ▁under ground ▁water c ourses , ▁d rain age ▁pip es , ▁under ground ▁t unn els ▁and ▁even ▁simple ▁ge ological ▁fault s ▁dist ort ▁this ▁v ibration . ▁Such ▁dist orted ▁v ibr ations ▁are ▁held ▁to ▁rise ▁up wards ▁through ▁the ▁Earth ' s ▁surface ▁and ▁create ▁an ▁per n icious ▁effect ▁on ▁the ▁health ▁and / or ▁behaviour ▁of ▁all ▁bi ological ▁life . ▁The ▁dist ort ions ▁are ▁ampl ified ▁during ▁night ▁hours ▁ ▁and ▁consequ ently ▁the ▁impact ▁is ▁greater ▁if ▁the ▁foc al ▁point ▁of ▁the ▁ad verse ▁radiation ▁is ▁a ▁bed room , ▁also ▁not ing ▁that ▁the ▁subject , ▁during ▁the ▁time ▁of ▁sleep , ▁will ▁be ▁contin ually ▁located ▁in ▁the ▁path ▁of ▁such ▁radiation . ▁ ▁Pub lished ▁academic ▁papers ▁and ▁research ▁ ▁External ▁links ▁▁ ▁https :// www . ir