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.
Health Risks of Overweight Children. The increased rate of obesity means that obesity-related chronic diseases are becoming common among children and teenagers. Being overweight increases a child's risk for a number of diseases and conditions, including: 1  Asthma â A large number of children who are overweight have asthma.