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BI3EHD - Evolution in Health and Disease: Lessons from the Natural World

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BI3EHD-Evolution in Health and Disease: Lessons from the Natural World

Module Provider: School of Biological Sciences
Number of credits: 20 [10 ECTS credits]
Level:6
Terms in which taught: Spring term module
Pre-requisites:
Non-modular pre-requisites:
Co-requisites:
Modules excluded:
Current from: 2023/4

Module Convenor: Dr Dyan Sellayah
Email: d.sellayah@reading.ac.uk

Module Co-convenor: Dr Louise Johnson
Email: l.j.johnson@reading.ac.uk

Type of module:

Summary module description:

This interdisciplinary module is suitable for all SBS degree programmes. Biomedicine and evolutionary biology offer two distinct perspectives on the same biological phenomena. One is concerned with diagnosing and treating ill-health caused by dysfunctional biological processes. The other serves to understand how natural selection has shaped the genetics underlying biological processes of populations and species over generations, yet rarely are the two perspectives integrated. We know that many diseases have a genetic basis, yet understanding how evolutionary factors have shaped the underlying genetic basis for disease may provide important mechanistic insight and reveal new approaches for treatment. In this module, we will apply evolutionary principles to the understanding of the causes of modern medical conditions. We will learn how some of the most important medical problems of our time – e.g. infectious disease, obesity, ageing, and mental health disorders – have been shaped by our evolutionary history, study relevant evolutionary processes across the animal kingdom and the Tree of Life, and gain an appreciation of the implications of evolutionary biology to human health and disease.


Aims:

This module aims to foster an understanding and appreciation for diseases from an evolutionary perspective by delving deep into their underlying genetic and evolutionary basis. This module will provide students with a broad understanding of evolutionary principles, concepts and theories and relate them to the pathogenesis of diseases and approaches to disease treatment. The genetic and evolutionary processes which impact on disease will be discussed and students will be encouraged to take a critical and analytical approach to study.


Assessable learning outcomes:


  • Gain an understanding of various evolutionary theories and how they apply to modern medical conditions.

  • Gain an appreciation for the complex interaction between genetics and environment to bring about disease.

  • Understand how selection pressures have acted in evolutionary history and are still acting in modern humans to influence health and disease.

  • Gain an understanding of how knowledge of evolutionary principles may be applied to modern medicine to treat or prevent disease.


Additional outcomes:

Outline content:


  • Evolution of ageingÌý

  • Comparative anatomy

  • Nutrition and human evolution

  • Evolution of the immune system

  • Evolution of resistance to infectious disease

  • Evolutionary origins of obesity – the thrifty gene hypothesis

  • Archaic human admixture (how Neanderthal genes impact on modern human disease susceptibility and resistance)

  • Evolutionary perspectives on cancer

  • Developmental plasticity and predictive-adaptive responses in utero

  • Evolutionary basis for neuropsychiatric conditions

  • Hygiene hypothesis


Brief description of teaching and learning methods:

Contact hours:
Ìý Autumn Spring Summer
Lectures 40
Guided independent study: Ìý Ìý Ìý
Ìý Ìý Wider reading (independent) 20
Ìý Ìý Wider reading (directed) 40
Ìý Ìý Peer assisted learning 20
Ìý Ìý Preparation for tutorials 20
Ìý Ìý Preparation for seminars 20
Ìý Ìý Revision and preparation 40
Ìý Ìý Ìý Ìý
Total hours by term 0 200 0
Ìý Ìý Ìý Ìý
Total hours for module 200

Summative Assessment Methods:
Method Percentage
Written assignment including essay 100

Summative assessment- Examinations:

Summative assessment- Coursework and in-class tests:

The assessment will consist of 100% coursework (2 separate pieces worth 50% each). One piece of coursework will be in the form of a written assignment and the other will be a group-based assignment. Ìý


Formative assessment methods:

Penalties for late submission:

The Support Centres will apply the following penalties for work submitted late:

  • where the piece of work is submitted after the original deadline (or any formally agreed extension to the deadline): 10% of the total marks available for that piece of work will be deducted from the mark for each working day (or part thereof) following the deadline up to a total of five working days;
  • where the piece of work is submitted more than five working days after the original deadline (or any formally agreed extension to the deadline): a mark of zero will be recorded.
The University policy statement on penalties for late submission can be found at: /cqsd/-/media/project/functions/cqsd/documents/cqsd-old-site-documents/penaltiesforlatesubmission.pdf
You are strongly advised to ensure that coursework is submitted by the relevant deadline. You should note that it is advisable to submit work in an unfinished state rather than to fail to submit any work.

Assessment requirements for a pass:

A mark of 40% overall


Reassessment arrangements:

Re-submission of coursework


Additional Costs (specified where applicable):

1) Required text books:Ìý None

2) Specialist equipment or materials:Ìý None

3) Specialist clothing, footwear or headgear:Ìý None

4) Printing and binding:Ìý None

5) Computers and devices with a particular specification:Ìý None

6) Travel, accommodation and subsistence:Ìý None


Last updated: 30 March 2023

THE INFORMATION CONTAINED IN THIS MODULE DESCRIPTION DOES NOT FORM ANY PART OF A STUDENT'S CONTRACT.

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