Authors: Jillian Powell
ejaculation 18
emotions 7, 13, 26–31, 36–37, 39, 40–41
mood swings 26–27, 38–39
stress 22, 27, 38–39, 40–41
energy levels 7, 27, 32, 41
erection 16, 18, 28
exercise 9, 27, 32–33, 38–39
genes 22
genitals 25
glands 6
adrenal glands 8, 14, 28
pituitary gland 6
sebaceous glands 20, 22–23
sweat glands 15, 24, 25
aprocrine glands 24
eccrine glands 24
groin 24
growth spurt 6–7, 8, 14–15, 32
hair 15, 20, 22
health
aching joints 8
anemia 8
asthma 32
body dysmorphia 34
bone and tooth decay 8
cramps 13
headaches 8, 13, 38
heart disease 32
high blood pressure 32
muscle weakness 8
nausea 8, 13
obesity 8, 32–33, 36
stomach aches 38
testicular cancer 16
tiredness 7, 8, 13, 27, 41
type 2 diabetes 32
hips 8
hormones 6–7, 17, 26, 40
androgen 14, 16, 20
estrogen 8, 13, 16, 20
progesterone 8
sex hormones 7, 8, 12, 15, 20, 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