If the air temperature is low enough to keep the precipitation frozen, it falls as lake-effect snow. For lake-effect rain or snow to form, the air moving across the lake must be significantly cooler than the surface air (which is likely to be near the temperature of the water surface).
Major Health Problems Associated with Childhood ObesityCauses of obesity in children: Physical Activity: Lack of physical activity and a sedentary lifestyle are major contributors to obesity. Low physical activity in children may also be associated with a higher risk of developing cardiovascular disease.
Childhood obesity is among the most serious health challenges of the 21st century. 1  Over the past three decades, the prevalence of children in the U.S. who are obese has doubled, while the number of adolescents who are obese has tripled.  About one in eight preschoolers (ages 2 to 5) in the U.S. are obese.