The proponents of currently fashionable planning doctrines favouring density promulgate a variety of baseless assertions to support their beliefs. These doctrines, which they group under the label of “Smart Growth”, claim, among other things, that from a health and sustainability perspective, the need to increase population densities is imperative.
With regard to health these high-density advocates have seized upon the obesity epidemic as a reason to advocate squeezing the population into high-density. This is based on a supposition that living in higher densities promotes greater physical activity and thus lower levels of obesity. They quote studies that show associations between suburban living and higher weight with its adverse health implications. But the weight differences found are minor – in the region of 1 to 3 pounds. Nor do the studies show it is suburban living that has caused this. read more »