From: Supplementation of polyunsaturated fatty acids, magnesium and zinc in children seeking medical advice for attention-deficit/hyperactivity problems - an observational cohort study
N
%
Lack of concentration
746
92.1
Lack of attentiveness
681
84.1
Aggressive behavior
6
0.7
Agitation/hyperactivity
41
5.1
Enhancement of endurance and productivity
11
1.4
Sleeping disorders
3
0.4
Other indications
21
2.6