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Urgent protection for the environment needed to safeguard human health

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We need to pay more attention to the health of the planet to save lives, and improve global health, now and in the future, Dr Samuel Myers will say at The Academy of Medical Sciences & The Lancet International Health Lecture1 today (Monday 13 November, 18:00-20:00).

Dr Samuel Myers, Principal Research Scientist at Harvard T.H. Chan School of Public Health and Director of the Planetary Health Alliance, will stress that human impacts, such as pollution and overconsumption on Earth's natural resources, are already intensifying almost exponentially. Action is needed to prevent this having an increasingly negative effect on human health.

Speaking at 'The Academy of Medical Sciences & The Lancet International Health Lecture', with the lecture published in The Lancet to coincide with the event, Dr Myers will call for increased funding for planetary health science. This important area of research involves the investigation of the impacts of human activity, including pollution, overconsumption and climate change, on the health of the planet and its corresponding impacts on human health.

Dr Myers will give alarming examples of how our changing planet may pose serious risks to human health in the future, including:

  • Staple food crops growing in fields which have an environment of higher carbon dioxide levels can contain lower quantities of iron, zinc and protein. This is likely to push 150-200 million people into the onset of zinc deficiency, and a similar number into protein deficiency.
  • The decline of insect pollinators could increase global disease burden as a result of reduced intake of vitamin A, folate, and food groups such as fruit and vegetables that protect against diseases such as cancer, diabetes, heart disease and stroke. A total collapse of animal pollination could result in 1.4 million excess deaths annually.
  • More frequent and dramatic extreme weather events, such as heatwaves and droughts, will likely increase forced displacement of people, increasing risk of malnutrition, infectious disease, trauma and mental illness to large populations.

Dr Myers will stress that current research funding levels are inadequate to deal with the seriousness of the issues facing us. He will also say that, currently, what funding is available is distributed via disciplinary siloes or for study of individual diseases, and that this limits the ability of science to look at the bigger picture.

Dr Samuel Myers, Principal Research Scientist at Harvard T.H. Chan School of Public Health and Director of the Planetary Health Alliance said:

"We are already seeing significant impacts on human health from our changing planet, and this will only get worse as pollution, climate change and overconsumption increases. The challenges we face are quite unlike anything scientists have had to deal with before.

"To deal with such pressing and urgent challenges we may need a whole new science, where researchers work across traditional boundaries. Land use planners, urban designers, ecologists, civil engineers and agronomists are just as important to solve these problems as scientists, doctors, nurses and epidemiologists.

"The next generation of planetary health researchers will need to turn away from purely academic questions, looking instead to create new partnerships to address the complex challenges facing society."

Professor Sir Robert Lechler PMedSci, President of the Academy of Medical Sciences, said:

"Humans have disrupted the natural systems of the Earth for thousands of years, but the scale of population growth and consumption in our recent history is putting an irreversible strain on our planet.

"We must open our eyes to the impact environmental pressures are already having on our health, and prepare now for what the future will bring.

"Medical science cannot act alone to solve the problems we face, we need a new breed of researcher who can work across boundaries and in large collaborations. We will need to think and work differently to deal with the health problems our changing planet is creating."

Dr Richard Horton, Editor in Chief of The Lancet, said:

"The challenge for our species is one of survival. We have created the conditions for extraordinary human flourishing and success. But we have also sown the seeds for planetary catastrophe. Do we have the ingenuity to change course and protect the future for our children and grandchildren? The answer to that question is not certain. And time is running out to discover the answer."

Dr Myers will describe how planetary health research can be deployed to solve major health challenges. For example, new decision support tools could allow policy makers in Indonesia to make better decisions about how they use land, potentially preventing deaths linked to pollution from fires used to clear peatlands. In another project, the reintroduction of native river prawns to dammed rivers in West Africa is helping control the parasitic disease schistosomiasis while also providing a nutritious food and income for local people.

Dr Samuel Myers, concluded: "Planet Earth is both awe-inspiring and fragile. It nurtures us and all living things, but it also requires our care."

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For a copy Dr Samuel Myer's piece in The Lancet, further information, or to arrange an interview, please contact:

Naomi Clarke, Communications Officer, Academy of Medical Sciences 020 3141 3208 [email protected]

Notes for Editors

1. The Academy of Medical Sciences & The Lancet International Health Lecture, held on Monday 13 November 2017 at the Wellcome Collection from 18:00-20:00 provides a platform for leaders in global health to discuss topics of international significance, promoting debate, discussion and the exchange of ideas on current research. These high-profile lectures are aimed at attracting a diverse audience, and are attended by the Academy's Fellows, academics, policymakers, the media, stakeholder groups and members of the public. This year's lecture is presented by Dr Samuel Myers, Principal Research Scientist at Harvard T.H. Chan of School of Public Health and Director of the Planetary Health Alliance, under the title: Planetary Health: Protecting Global Health on a Rapidly Changing Planet.

The Academy of Medical Sciences is the independent body in the UK representing the diversity of medical science. Our elected Fellows are the UK's leading medical scientists from hospitals, academia, industry and the public service. Our mission is to advance biomedical and health research and its translation into benefits for society. We are working to secure a future in which:

  • UK and global health is improved by the best research.
  • The UK leads the world in biomedical and health research, and is renowned for the quality of its research outputs, talent and collaborations.
  • Independent, high quality medical science advice informs the decisions that affect society.
  • More people have a say in the future of health and research.

Our work focusses on four key objectives, promoting excellence, developing talented researchers, influencing research and policy and engaging patients, the public and professionals. http://www.acmedsci.ac.uk

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Naomi Clarke
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