Nearly all of the children in the study -- 94% -- experienced a drop in consciousness, 95% had dangerously low blood sugar, and 94% developed a buildup of acid in the body. Other symptoms included low potassium levels, excessive fat levels in the blood, and high levels of glycerol in the urine.

Bright, multi-coloured, fruit-flavoured slushie ice drinks sold in cinemas, parks and soft-play settings are made to appeal to children. However, in recent years there have been numerous reports of children taking ill after consuming sugar-free versions of them, which contain glycerol.