Taller men are seen as more attractive, and hair loss negatively affects attractiveness.
Men with hair loss are seen as less attractive and shorter, and height is a key factor in attractiveness ratings.
Attractive women slightly worsened mood, green backgrounds improved mood, and older people had better moods.
Wearing a toupee makes men seem more attractive and slightly healthier, but doesn't change how confident they appear.
Toxoplasma gondii infection may increase testosterone levels in males.