PSC 140 Lecture Notes - Lecture 13: Mexican Americans, A Question Of Balance, Fatty Liver
8 May 2019
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Document Summary
Biological changes: between 5 & 12 children, grow about 15-20 inches in height, double in weight (gain about 45-55 lbs, girls have pre-puberty growth spurt earlier than boys. Influences on growth: genes, good nutrition, overall health. Why concerning: type 2 diabetes, elevated blood pressure levels, orthopedic problems, fatty liver disease, sleep apnea, stroke, cardiovascular disease, early onset of puberty, asthma, mental health issues. Lowered life expectancy: depression, low self-esteem, suicidal ideation, peer rejection. Causes of obesity: altered dietary intake (esp. increase in high-fat, high sugar foods; increased portion sizes), decreased physical activity, also, genetic link: Lower cost & higher availability of junk food. Increased t. v. watching: twin studies, adoption studies. In 2014, a cdc study found that kid meals were healthier after the ban. Increases in: myelination of frontal cortex, synapses (more connections, alpha activity (indicating active engagement, eeg coherence, different parts of the brain are more able to work together more effectively.
