Adolescent physical activity, sedentary behavior and sleep in relation to body composition at age 18 years in urban South Africa, Birth-to-Twenty+ Cohort.

Micklesfield LK, Hanson SK, Lobelo F, Cunningham SA, Hartman TJ, Norris SA, Stein AD. Adolescent physical activity, sedentary behavior and sleep in relation to body composition at age 18 years in urban South Africa, Birth-to-Twenty+ Cohort. BMC pediatrics. 2021 Dec 11;21(21). 30 p. PMID: 33430834 [PubMed] PMCID: PMC7798220

Adolescence is marked by a decline in physical activity, rapid physical growth and changes in body composition, which have been linked to body composition. Prospective data on these associations are rare, particularly in Africa.