Cooking Oil and Salt Intakes Among Children Aged 6−17 Years——China,2016−2017

Summary What is already known on this topic?High-level intakes of both cooking oil and salt are issues of concern in China as they can lead to an increased risk of chronic diseases later in life.Reducing intakes of cooking oil and salt should be prioritized in children.What is added by this report?Among children aged 6-17 years in China in 2016-2017,the median intake of cooking oil and salt were 27.7 and 6.1 g/d,respectively.The percentages of children with intake of cooking oil and salt that exceeded the recommended guidelines were 50.4%and 67.8%,respectively.

Intake of Vitamin A,Thiamine,Riboflavin,Vitamin C,and Niacin Among Children Aged 6−11 Years Old—China,2016−2017

Summary What is already known on this topic?Insufficient intake of vitamins is one of the major nutritional problems in children aged 6-11 years old in China,and the problem is particularly severe for rural populations.What is added by this report?Among children aged 6-11 years old in 2016-2017,the average intakes of vitamin A,thiamine.

Equivariant Mapping Class Group and Orbit Braid Group

Motivated by the work of Birman about the relationship between mapping class groups and braid groups,the authors discuss the relationship between the orbit braid group and the equivariant mapping class group on the closed surface M with a free and proper group action in this paper.Their construction is based on the exact sequence given by the fibration F_(0)^(G) M→F(M/G,n).The conclusion is closely connected with the braid group of the quotient space.Comparing with the situation without the group action,there is a big difference when the quotient space is T^(2).

Consumption of Milk and Dairy Products Among Junior High and Senior High School Students — China, 2016–2017

Summary What is already known about this topic?Chinese dietary guidelines recommend an intake of milk and dairy products to be closely related to human health.Although the production capacity of dairy in China is strong,the per capita consumption of dairy products is not high.What is added by this report?This report showed that the consumption rate of milk and dairy products of junior high and senior high school students in China was 82.5%from 2016 to 2017.Only 44.1%of them consumed milk and dairy products every day.Only 20.4%of these students reached intake levels recommended by the Dietary guidelines for Chinese residents(2016).What are the implications for public health practice?Milk and dairy products are a key food group in a healthy dietary pattern.To cultivate a healthy eating habit of including dairy for children and adolescents,the government,suppliers,schools,and parents need to cooperate together.

Energy and Macronutrient Intake Among Children Aged 6−11 Years Old—China,2016−2017

Summary What is already known on this topic?Low level energy and macronutrient intakes and dietary imbalances are still important issues and should be prioritized in children aged 6-11 years old in China.What is added by this report?Among children aged 6-11 years in China in 2016-2017,the average protein intake was 55.2 g/d in urban areas and was higher than the estimated 45.4 g/d in rural areas.

Beverage Consumption of Children and Adolescents Aged 6−17 Years—China,2016−2017

Summary What is already known on this topic?Beverage consumption has become a problematic dietary behavior in children and adolescents.Excessive drinking of beverages,especially sugary beverages,can increase the risk of chronic diseases such as obesity,dental cavities,and diabetes.What is added by this report?This report revealed the beverage consumption rate was higher in males,in urban areas.