1 – Highfield R. (2007) When did we start getting fat? Daily Telegraph www.telegraph.co.uk/news/science/science-news/3296662/When-DID-we-start-getting-fat.html . Accessed 12th April 2018

2 – UK Cancer Research (2009) The causes of obesity – genes, behaviour and the environment https://www.cancerresearchuk.org/ Accessed  10th January 2011

3 – Lifespan (2012) ‘Obesity genes’ may influence food choices, eating patterns. ScienceDaily. https://www.sciencedaily.com/releases/2012/05/120523114847.htm Accessed 16th November 2012.

4 – McArdle WD, Katch F I, and Katch V L. (2015)  Exercise Physiology: Energy, Nutrition and Human Performance 8th Edition  Wolters Kluwer, Lipponcot Williams and Wilkins Philadelphia

5 – Kilpeläinen TO, Qi L, Brage S. et al. Physical activity attenuates the influence of FTO variants on obesity risk: a meta-analysis of 218,166 adults and 19,268 children. PLoS Med. 2011;8:e100111

6 – World Health Organisation (WHO) (2018) Overweight and Obesity Fact Sheet

7 – Public Health England (2018) Physical activity: applying all our health guidance www.gov.uk/government/publications/physical-activity-applying-all-our-health/physical-activity-applying-all-our-health .  Accessed 21st July  2018

8 – Qi L, and Cho YA. Gene–environment interaction and obesity. Nutr Rev. 2008; 66:684–94

9 – Heyward VH, and Gibson AL. (2014) Advanced Fitness Assessment and Exercise Prescription 7th Edition, Human Kinetics, Champaign , IL

10 – NHS (2015) Nine medical reasons for putting on weight https://www.nhs.uk/Livewell/loseweight/Pages/medical-reasons-for-putting-on-weight.aspx . Accessed 23rd April 2018

11 – Bessesen D, Hill J, and Wyatt H. Hormones and obesity The Journal of Clinical Endocrinology & Metabolism April 1, 2004 vol. 89 no. 4 0

12 – Sharkey, B.J. (1990) Physiology of fitness (3rd Ed) Human Kinetics, Champaign

13 – Klok MD, Jakobsdottir S, and Drent ML. The role of leptin and ghrelin in the regulation of food intake and body weight in humans: a review. Obes Rev. 2007 Jan;8(1):21-34

14 – Gibson LE. The psychobiology of comfort eating: implications for neuropharmacological interventions Behavioural Pharmacology 23:442–460 _c 2012

15 – Hand GA, Jaggers  JR, and Dudgeon WD. (2009) Stress and Anxiety Disorders in  Durstine et al editors ACSM’s Exercise Management for Persons with Chronic Diseases and Disabilities Third Edition Human Kinetics, Champaign, Ilionois

16 – Collins C, and Bentz JE. Behavioral and Psychological Factors in Obesity  Winter 2009 – Vol.4, No.4

17 – Royal College of Psychiatrists (RC PSYCH) (2015) Sleeping Well information sheet