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Fig. 4 | Environmental Health

Fig. 4

From: Improvement of several stress response and sleep quality hormones in men and women after sleeping in a bed that protects against electromagnetic fields

Fig. 4

Concentration of cortisol, testosterone and testosterone/cortisol ratio in plasma samples of men before (T0) and after sleeping for 2 months (T2) using the HOGO system to avoid EMFs (Experimental group, n = 20) or normal beds (Placebo group, n = 5). A Concentration of cortisol in µg/dL; B Concentration of testosterone in ng/mL; C Testosterone/cortisol (T/C) ratio. a: p < 0.05; aa: p < 0.01; aaa: p < 0.001 respect to the values obtained at T0

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Environmental Health

ISSN: 1476-069X