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For this video we looked at the main causes of obesity and overweight that have been discussed in the scientific literature. Is it processed food? Stress? Genetics? Or maybe viruses? What are you to make of the recent headlines that say plastic makes you fat? We sort it out for you.

The paper about obesity being socially contagious is here:
https://bmcpublichealth.biomedcentral...

Data about the share of obese people per country are from here:
https://ourworldindata.org/grapher/sh...

Estimates for the economic burden of obesity (in the USA) are from here:
https://milkeninstitute.org/sites/def...

The WHO statement on obesity is here:
https://www.who.int/newsroom/factsh...

The comparison between BMI and bodyfat percentage is from here:
https://www.nytimes.com/interactive/p...

The UK study about the correlation between ultraprocessed food and weightgain is this:
https://journals.plos.org/plosone/art...

The recent US study about the correlations between ultraprocessed foods and overweight is here:
https://www.sciencedirect.com/science...

The 2013 study about the link between the FTO gene, ghrelin, and food consumption is this:
https://pubmed.ncbi.nlm.nih.gov/23867...

Numbers about the prevalence of the FTO gene come from here:
https://genesandnutrition.biomedcentr...

The two review papers about correlations between sleep disruption and BMI are here:
https://pubmed.ncbi.nlm.nih.gov/31089...
https://pubmed.ncbi.nlm.nih.gov/18239...

The paper about the correlation between stress and obesity is this:
https://academic.oup.com/abm/article/...

The paper about the link between micronutrient deficiency and obesity is here:
https://www.ncbi.nlm.nih.gov/pmc/arti...

The papers about the link between maternal smoking and obesity are those:
https://jech.bmj.com/content/71/2/162
https://www.ncbi.nlm.nih.gov/pmc/arti...

The key papers about the possible link between adenovirus infection and obesity are here:
https://onlinelibrary.wiley.com/doi/1...
https://www.nature.com/articles/s4136...

The 2006 obesogen paper is this:
https://academic.oup.com/endo/article...

The three recent review papers about obesogens are those:
https://www.sciencedirect.com/science...
https://www.sciencedirect.com/science...
https://www.sciencedirect.com/science...

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00:00 Intro
00:25 What is obesity?
06:33 Cause 1: Too much food
07:19 Cause 2: The wrong food
09:27 Cause 3: Lack of exercise
10:16 Cause 4: Your genes
12:13 Cause 5: The microbiome
12:40 Cause 6: Lack of sleep
13:32 Cause 7: Stress
14:09 Cause 8: Micronutrient deficiency
14:34 Cause 9: Your mother
15:36 Cause 10: Viruses
16:38 Cause 11: Plastic
20:00 Summary
20:45 Sponsor message

#science #health #obesity

Many thanks to Jordi Busqué for helping with this video http://jordibusque.com/