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Therapeutic animal stress

Interacting with animals is known to be therapeutic,  particularly in reducing stress.  But do we consider sufficiently the effects this may have on the animals involved?   We might assume that because it is calming for us, then it must be so for the therapeutic animals, but is this so?  New research suggests that it isn't always without stress for the animals involved.  Positive human-animal interaction relates to changes in physiological variables both in humans and other animals, including a reduction of subjective psychological stress (fear, anxiety) and an increase of oxytocin levels in the brain.  It also reduces the 'stress' hormone, cortisol. Indeed, these biological responses have measurable clinical benefits.  Oxytocin has long been implicated in maternal bonding, sexual behaviour and social affiliation behaviours and in promoting a sense of well-being .  So far, so good.  We humans often turn to animals for stress relief, companio...

Noise pollution puts nature at risk

 "I just want a bit of peace and quiet!" Let's get away from all the hustle and bustle; the sound of endless traffic on the roads, of the trains on the railway, and the planes in the sky; the incessant drone; the noise. We live in a world of man-made noise; screeching, bellowing, on-and-on in an unmelodious cacophony.  This constant background noise has now become a significant health hazard.   With average background levels of 60 decibels, those who live in cities are often exposed to noise over 85 decibels, enough to cause significant hearing loss over time.  It causes stress, high blood pressure, headache and loss of sleep and poor health and well-being.   In nature, noise has content and significance.  From the roar of the lion, the laughing of a hyena,  communication is essential for life; as the warning of danger, for bonding as a group or a pair, finding a mate, or for establishing a position in a hierarchy - chattering works.  Staying in t...