Refined sugar is a major cause of dental decay, and foods containing sugar often also contain fat. Examples of such foods are biscuits, chocolate, pastries, desserts and cakes.
Refined sugar contains no nutrients other than carbohydrate.
Some practical steps:

Explain other members of the family, in particular children, that overeating of sugary foods affects the rest of our [...]

Fat families tend to have fat pets, which suggest that fat families overfeed themselves and their pets in the belief that ‘fat is beautiful and healthy’.
There are other possible explanations for obesity. Most social entertainments provide food and drink which are additional to your normal energy needs, but the good company and the food food [...]