What are the effects of poor nutrition on children?

Nutritional deficiencies (or) low calorie food
Impaired growth, poor development of bones
High sugar food and carbonated drinks, preservatives
Dental caries, muscle cramps
High intake of food, especially if high in sugar
Obesity, early onset of diabetes, hypertension, heart disease and cancer
Cognitive and behavioral problems
Delay in milestones like language, learning disabilities, ADHD*, restlessness, temper tantrums, nervousness.

*ADHD (Attention Deficit Hyperactivity Disorder) is characterized by problems with attention, hyperactivity, poor organization,
and low self-esteem. Poor nutrition is one possible cause.