Related by context. Frequent words. (Click for all words.) 40 journal Pediatrics 39 dietary intake 38 vitamin D deficiency 38 autism spectrum disorders 37 adolescents 37 viewing habits 37 Pediatrics 36 epidemiological studies 35 journal Neurology 35 behaviors 34 Adolescent Medicine 34 longitudinal study 34 researchers 34 pediatricians 34 surfing habits 34 accompanying editorial 34 salt intake 34 journal Circulation 34 Psychological Science 33 study 33 Screen Digest 33 meta analysis 33 calorie intake 33 eating habits 33 General Psychiatry 33 personality traits 32 genetic makeup 32 Epidemiology 32 Nielsen 32 Harvard Medical 31 sodium intake 31 Current Biology 31 dietary habits 31 Adolescent Psychiatry 30 Adolescent Health 30 bedtimes 30 circadian rhythms 29 randomized controlled trials 29 behavior 29 journal Archives 29 Sleep Medicine 29 pediatrics 28 Lancet 28 journal Science 28 observational study 28 Preventive Medicine 28 journal Cell 28 Sciences PNAS 28 networks 28 Nature Genetics 27 Experimental Research 27 PNAS 27 NEJM 27 Clinical Nutrition 27 Neurology 27 PLoS ONE 27 journal Nature 27 ComScore 27 Psychological Association 27 Internal Medicine 27 caloric intake 27 social networking sites 26 Disease Control 26 journal Current Biology 26 American Dietetic Association 26 snacking 26 privacy settings 26 Pediatricians 26 journal Nature Medicine 26 diets 25 Clinical Immunology 25 habits 25 Human Reproduction 25 TBS 25 M Metrics 25 Medicine 25 Paediatrics 24 Morbidity 24 videogames 24 parental controls 24 viewership 24 television 24 Endocrine Society 24 BT Vision 24 BMJ 24 journal Proceedings 24 Neuron 23 Nielsen NetRatings 23 medical journal Lancet 23 Clinical Cancer 23 Cartoon Network 23 Clinical Oncology 23 Physical Review 23 TV 23 Critical Care Medicine 23 IPTV 23 file sharing 23 diet 23 demographic characteristics 22 Annals 22 Viewership