human 288 Humans 241 male 186 female 183 adult 162 Article 144 Female 129 Male 123 controlled study 106 middle aged 90 Adult 89 body weight loss 78 aged 77 Middle Aged 76 Aged 54 clinical article 50 Animals 46 periodontal disease 46 major clinical study 45 nonhuman 45 hearing impairment 43 animal 42 pathophysiology 42 obesity 41 procedures 40 article 38 follow up 38 alveolar bone loss 37 physiology 37 Audition 35