Medical research

Detecting heavy metals in hair samples

South Africa is home to the largest known gold deposit on Earth, the Witwatersrand basin near Johannesburg. When mining the desired precious metal, harmful, toxic and radioactive mining waste comes to the surface as a byproduct. ...

Psychology & Psychiatry

Earwax sampling could measure stress hormone

A novel method to sample earwax could be a cheap and effective way to measure the hormone cortisol, according to a study led by researchers at UCL and King's College London.

Psychology & Psychiatry

Hair in "stress": analyse with care

Similar to humans, wild animals' reaction to disturbance is accompanied by releasing hormones, including cortisol. To understand the impact of various stress factors on wildlife—for example, competition for food, encounters ...

Psychology & Psychiatry

Compassion training for parents may reduce their children's stress

A new study from researchers at the University of Wisconsin–Madison shows that the young children of parents who take part in a compassion-based training program develop lower levels of the stress hormone cortisol over ...

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