28
testosterone 14, 20, 28
immune system 37
laxatives 36
libido see sex drive manic-depressive disorder 38
masturbation 18, 28
menopause 12
menstruation 6, 12–13, 20–21, 22, 37
mental health 38–39
anxiety disorder 38–39
bipolar disorder 38–39
depression 8, 38–39, 40–41
obsessive compulsive disorder (OCD) 38
schizophrenia 39
orgasm 18
ovulation 12
peer pressure 43
periods see menstruation premenstrual syndrome (PMS) 13
relaxation 27, 39
reproduction 7, 18, 28
sebum 20, 22, 23
self-confidence 23, 42, 43
self-esteem 23, 34, 37, 40–41, 42–43
self-harm 41
semen 18
sex drive 28
sexuality 30
heterosexuality 30
homosexuality 30–31
shaving
boys 14–15
girls 8–9
skin 20, 22–23, 24, 34
skin pores 20, 22
skin problems 8, 20–21, 22
acne 20, 22–23, 34
blackheads 20–21, 22
cysts 22
pimples 20–21, 22
whiteheads 22
skin products 20–21, 23
sperm 12, 14, 18
sweat 8, 15, 24–25
tampons 13
vaginal discharge 8, 11
voice breaking 15
vomiting 8
washing 20–21, 23, 24–25, 38
waxing
boys 15
girls 8–9
weight
gain 8, 32, 36–37
loss 8, 35, 36–37
wet dream 18