Since 1982, the standard size of a hamburger in Canada has increased 112 percent. Pasta servings have expanded by 480 percent.
(Source: Ontario Ministry of Health Promotion)
That certainly helps explain rising obesity rates in Canada.
In 1978, 14 percent of the Canadian adult population was obese. In 2004? 23 percent.
That's a 64 percent increase, simultaneous with the above-mentioned exploding portions.