The U.S.Department of Health and Human Services convened the 2018 Physical Activity Guidelines Advisory Committee(PAGAC)and charged it with reviewing and summar
<正>The previous Special Issue was devoted to physical activity (PA),physical fitness,diet,and health in young people.The content of this second Special Issue w
Background:Cognitive impairment is prevalent among older adults and results in degraded quality of life for older adults.As the population ages,this may cause a