The field of epigenetics is revolutionising our understanding of how environment shapes our genes. Dr Susan Prescott, a leading childhood immunologist, shows how the application of epigenetics through Developmental Origins of Health and Disease (DOHaD) is changing scientific research and public health.
A poor start to life is associated with an increased risk of disorders throughout life, including cardiovascular disease, obesity, type 2 diabetes and metabolic disturbances, osteoporosis, chronic obstructive lung disease, some forms of cancer and some mental illnesses. The environment in which early life develops — at conception, and/or during fetal life, infancy and early childhood — induces changes in development that have a long term impact on later health and disease risk. Parental lifestyle and diet, smoking, obesity and exposure to endocrine disruptor chemicals and toxins, have all been shown to modulate disease risk. The effects of such exposures are often graded and subtle — they do not simply disrupt development or induce disease themselves — but can affect how rapidly disease develops in an individual. However, timely interventions may reduce such risk in individuals and also limit its transmission to the next generation.
DOHaD has significant implications for many societies and for global health policy. In Origins, Dr Prescott explains the research and shows how a focus on early life in health promotion, the exchange of knowledge between policymakers, clinical and basic scientists and the wider public, and education and training, will build capacity to assist a healthy start to life across populations.
Praise for Origins:
Professor (and Doctor) Prescott has given us a remarkable book that summarizes research on the sensitivity of human health to diet, lifestyle and the environment, from womb to tomb.C. E. FINCH, JOURNAL OF DEVELOPMENTAL ORIGINS OF HEALTH AND DISEASE
We are living in an era where cartloads of books are overselling emerging epigenetic and microbiome research; hardcover, paperback and kindle books galore, many, if not most of them, making promises of "cures" based on detailed but largely unproven interventions. Origins is not one of those books. The discussions are far more deeply rooted in how we could go about preventing the very things we need to be cured.ALAN C LOGAN
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