Following new research scientists say a "loss of night" in many countries is having negative consequences for "flora, fauna, and human well-being". Dr Sakari Lemola, Assistant Professor, dept. of psychology explains how a lack of sleep can affect us.
One in three cases of dementia could be prevented if more people looked after their brain health throughout life, according to an international study in the Lancet. However Dr Joanna Collingwood, Associate Professor School of Engineering says individuals can't modify all of the highlighted factors.
Professor Swaran Singh of the Divison of Mental Health and Wellbeing, Warwick Medical School explores the issue of whether Britian is racist.