Canning novelty. Early methods of manufacture employed poisonous lead solder for sealing the cans. Studies in the 1980s attributed the lead from the cans as a factor in the disastrous outcome of the 1845 Franklin expedition to chart and navigate the Northwest Passage. Later studies found this to be false. Increasing mechanization of the canning process, coupled with a huge increase in urban populations across Europe, resulted in a rising demand for canned food. A number of inventions and improvements followed, and by the 1860s smaller machine-made steel cans were possible, and the time to cook food in sealed cans had
Health in Egypt consumption of starchy and fatty foods without the presence of a health-conscious exercise culture is a major factor. As parents teach this lifestyle to their children, the prevalence of childhood obesity increases. Today, Egyptian teenagers drink three times as much soda as milk. Ten percent of males and females drink five or more cans of soda a day, which can lead to early osteoporosis in women in the future. These food habits are reinforced by junk food advertisements and the availability of unhealthy food at supermarkets. As a result, teenagers are three times as likely to be overweight than they