Related by context. Frequent words. (Click for all words.) 57 Human papillomavirus 56 Sexually active 54 attention-deficit/hyperactivity disorder ADHD 54 oropharyngeal cancer 54 circumcision reduces 54 journal Epidemiology 54 Kiecolt Glaser 54 journal Molecular Psychiatry 54 Sicherer 53 journal Gastroenterology 53 journal Sexually Transmitted 52 bmj.com 52 anal cancers 52 adolescents 52 Cochrane Database 52 journal Neuropsychopharmacology 52 Carnethon 52 preterm deliveries 52 Olfson 51 Acquired Immune Deficiency Syndromes 51 CDC Morbidity 51 biologically plausible 51 Influenza vaccination 51 journal Obstetrics & 51 MMWR 51 Observational studies 51 prescribing antidepressants 50 suicide ideation 50 Jane Wardle 50 sexually active 50 deliver vaginally 50 journal Clinical Infectious 50 MD Dr.PH 50 obese adolescents 50 CDC publication Morbidity 50 onset puberty 50 journal Nature Immunology 50 Neurology Neurosurgery 50 journal Alcoholism Clinical 50 Bibbins Domingo 49 Breastfed babies 49 STD Prevention 49 Herbenick 49 causes genital herpes 49 Molecular Psychiatry 49 journal Biological Psychiatry 49 Genital herpes 49 irregular menstrual cycles 49 journal Psychosomatic Medicine 49 Longini 49 born preterm 49 MD DrPH 49 coinfection 49 #:#-# [035] 49 studys 49 breastfed infants 49 Van Cauter 49 Nigel Hawkes 49 By Jenifer Goodwin 49 Lumeng 49 low birthweight infants 48 contracting sexually transmitted 48 bmj.com today 48 STDs 48 chronic rhinosinusitis 48 untreated tooth decay 48 Alcoholism Clinical 48 febrile seizure 48 shorter telomeres 48 #:#-# [033] 48 cyberbullied 48 menarche 48 Getzenberg 48 Hertz Picciotto 48 journal Obesity 48 virginity pledge 48 periodontal gum disease 48 cervical intraepithelial neoplasia 48 risky behaviors 48 acute otitis media 48 journal Critical Care 48 Clinical Psychiatry 48 body fatness 48 journal PLoS Genetics 47 elevated CRP 47 BRCA gene mutations 47 Premature ejaculation 47 unprotected anal intercourse 47 pneumococcal infection 47 BJU International 47 Chavarro 47 syphilis infections 47 journal Thorax 47 chlamydia gonorrhea 47 Adolescent Medicine 47 CANCER peer reviewed 47 cervical lesions 47 autistic traits 47 KidsHealth 47 journal Obstetrics 47 journal Fertility