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'A lack of exercise could be killing twice as many people as obesity...' Research from The University of Cambridge Mounting evidence shows that regular exercise is an essential part of a healthy lifestyle and can help reduce the risk of developing a range of negative health issues. Those who exercise are less likely to get ill and they will generally live longer. Physical activity does not have to be vigorous and people, from young children and teenagers through to pregnant women and the elderly, can incorporate some form of exercise into their daily routine. This book uncovers the...

Geoff Cottrell explores matter, from its familiar forms as solids, liquids, and gases to plasmas, exotic forms of quantum matter, and antimatter. Discussing the origins of matter in the Big Bang, he looks at atoms, energy, mass, and the mysterious forms of dark matter and dark energy.