human 187 Article 140 Humans 122 female 118 male 109 adult 88 controlled study 87 nonhuman 74 Female 72 article 66 Male 62 major clinical study 49 Malaysia 47 Animals 42 Hospitality industry. Hotels, clubs, restaurants, etc. Food service 42 child 41 United States 38 animal 37 COVID-19 36 food security 33 Food supply 32 Adult 31 middle aged 31 adolescent 30 chemistry 30 diet 30 China 29 Food 29 food intake 29 metabolism 29