article_snippet.sent: But while the holiday might be a child's favourite, a nutritionist has warned too much sugar can lead to obesity, type 2 diabetes and tooth decay.
article_snippet.sent: Dr Sam Christie, a nutrition scientist, also warned too much of the sweet stuff can exacerbate polycystic ovarian syndrome and behavioural problems like ADHD.
article_snippet.sent: Depending on how physically active the children are, eating too much sugar could trigger insulin resistance, Dr Christie said.
article_snippet.sent: This is where the body becomes de-sensitised to insulin, the hormone that controls how much sugar is in the bloodstream.
article_snippet.sent: Over time this slowly damages cells and organs in the body, and leads to type 2 diabetes.
article_snippet.sent: Dr Christie said: 'Sugar causes pathological changes, Sugar bodies become resistant to insulin  and have cellular damage to all parts of the body.'
article_snippet.sent: ‘Insulin resistance puts you at a metabolic disadvantage to lose weight.
article_snippet.sent: It actually becomes very hard to lose weight once the body can’t break down sugar,’ Dr Christie explained.
article_snippet.sent: You can upset metabolism by having too much sugar.'
article_snippet.sent: Eating too much sugar can lead to obesity, type 2 diabetes, tooth decay, nutrient deficiencies, acne and behavioural problems, a nutritionist warns .