Health communication human 5 Humans 4 Social media 4 adult 4 female 4 male 4 Article 3 Health promotion 3 Male 3 medical information 3 Adult 2 Female 2 Health Communication 2 Middle Aged 2 Public health 2 Social marketing 2 aged 2 comparative study 2 controlled study 2 health risk 2 middle aged 2 perception 2 psychology 2 public health 2 smoking 2 Adolescent 1 Advertising 1 Aged 1 Aged, 80 and over 1