And, although the researchers did not find any evidence of behavioural changes in the children they studied, insulin plays an important role in controlling appetite. (newscientist.com)
Contrary to popular opinion, hormonal changes do not directly account for behavioural changes during adolescence. (academic.oup.com)
Children are monitored by staff who know what is going on and can look closely for signs such as behavioural changes, emotional responses and becoming withdrawn. (qaeducation.co.uk)