Why Is Your Grandma So Short?
Learn more about the Goalkeepers report from the Bill and Melinda Gates Foundation here:
Nutrition during the first few years of life has a huge impact on adult height, and since nutrition has been getting better over time, humanity – including your family – is getting taller.
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To learn more, start your googling with these keywords:
Osteoporosis: Condition in which bones lose density and break down.
Stunting: Impaired growth and development that children experience from poor nutrition.
Malabsorption: Condition in which the intestine can’t absorb enough nutrients and fluids.
Food insecurity: Lacking reliable access to sufficient and nutritious food.
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Credits (and Twitter handles):
Script Writer: David Goldenberg (@dgoldenberg)
Script Editor: Alex Reich (@alexhreich)
Video Illustrator: Ever Salazar (@eversalazar)
Video Director: Emily Elert (@eelert)
Video Narrator: Emily Elert (@eelert)
With Contributions From: Henry Reich, Kate Yoshida, Peter Reich
Music by: Nathaniel Schroeder:
World Health Organization (2014). WHA Global Nutrition Targets 2025: Stunting Policy Brief. 1-10. Retrieved from:
Caulfield, L., Richard, S., Rivera, J., Musgrove, P. and Black, R. (2006). Stunting, Wasting, and Micronutrient Deficiency Disorders. Disease Control Priorities in Developing Countries. 551-570. Retrieved from:
NCD Risk Factor Collaboration. (2016). A Century of Trends in Adult Human Height. eLife. Retrieved from:
Kang, H., Kreuels, B., Adjei, O., Krumkamp, R., May, J., and Small, D. (2013). The Causal Effect Of Malaria On Stunting: A Mendelian Randomization And Matching Approach. International Journal of Epidemiology. 42:1390–1398. Retrieved from
Sorkin, J., Muller, G., and Andres, R. (1999) Longitudinal Change in Height of Men and Women: Implications for Interpretation of the Body Mass Index. American Journal of Epidemiology. 150: 969-977. Retrieved from: