Perhaps, she suggests, discussing height and weight in terms of clothing size may help parents better understand if their child is overweight or obese and at risk for serious medical problems as a result.

CNN: Parents clueless when it comes to kids' growth charts

Somewhere between jumble sale and vintage boutique, Kilo Shop (with two locations in the 4th and 6th arrondissements) offers a unique concept: recycled clothing and accessories priced according to the items' weight.

BBC: In Paris, boutique looks at bargain prices

Anything that solidifies on clothing is there to stay, which gives a whole new meaning to gaining unwanted weight.

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