It comes as a shock to us that some milk powder producers produce substandard milk powder which would bring harm to babies.

It was such an irresponsible enterprise that it added tripolycyanamide to its milk powder, which tragically led to many babies' developmental disorders and ruined many families' happiness.

In the study, mice were fed with dried milk powder made from cows milked both during the day and at night by researchers from Seoul, South Korea.