[Apologies for the sound quality. This was first time using certain microphone in a room that was not optimal and result was not as expected.] In this episode, we have Adjunct Professor Dr Eero Haapala from University of Jyväskylä, Finland. His main interests are in the relationships of physical activity, dietary factors, fitness, fatness, and metabolic syndrome to brain, cognition, and academic achievement among children and adolescents.---This podcast episode is sponsored by Fibion Inc. | The New Gold Standard for Sedentary Behaviour and Physical Activity MonitoringLearn more about Fibion: fibion.com/research---Physical Activity Researcher Podcast have created a ‘Purchase Guide for Researchers: Accelerometer-based Activity Trackers’. You can download it from here.---Timestamps:2:45 Why PA affects the brain function? Hunter gatherers and evolution.7:30 Sensitivity period for PA and cognition8:30 Importance of fatty acids, vitamins and dietary fibre to cognition11:50 Deficiencies vs. non-optimal diet12:35 Established dietary recommendations hold true also for cognition13:00 Fitness and fatness13:45 How to separate fitness from body size and composition?14:50 Stroke volume - the most important determinant of fitness15:30 Fatness and insulin resistance17:08 Insulin resistance in children30:30 Sedentary behaviour and blood flow32:10 Arterial stiffness in menopausal women33:00 New interest in arteries34:45 Method to measure arterial stiffness36:30 Method to measure endothelial function37:45 How physical activity affects brain?38:15 Size of hippocampus and improved memory39:35 Cognitive aspects of physical activity41:15 Practicalities when conducting research with children42:30 Importance of Superman sticker43:56 Attaching ActivPALs with PAL stickies46:00 Whether to use thigh-, hip- or wrist-worn devices with children?