In addition, poor food choices and restrictions on the physical environment have impacted behaviours during this time and could have a detrimental, long-term impact.
Ar ben hynny, mae dewisiadau bwyd gwael a chyfyngiadau ar yr amgylchedd ffisegol wedi effeithio ar ymddygiad pobl yn ystod y cyfnod hwn a gallent gael effaith andwyol, hirdymor.