<BLOCKQUOTE><BLOCKQUOTE><BLOCKQUOTE><BLOCKQUOTE><P><STRONG>British Psychology Society Textbook of the Year 2020</STRONG></P></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE><P>Why do people who are more socially connected live longer and have better health than those who are socially isolated?</P><P>Why are social ties at least as good for your health as not smoking, having a good diet, and taking regular exercise? </P><P>Why is treatment more effective when there is an alliance between therapist and client? </P><P>Until now, researchers and practitioners have lacked a strong theoretical foundation for answering such questions. This ground-breaking book fills this gap by showing how social identity processes are key to understanding and effectively managing a broad range of health-related problems.</P><P>Integrating a wealth of evidence that the authors and colleagues around the world have built up over the last decade, <I>The New Psychology of Health </I>provides a powerful framewo