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Appendix
Health tips
Regarding body fat
The human body is made up of, among other things, a percentage of
fat. Body fat is vital for a healthy, functioning body. It also protects vital
organs, helps regulate body temperature, stores vitamins, and helps the
body sustain itself when food is scarce. However, too much or too little
body fat can damage your health. It is difficult to gauge how much
body fat we have in our bodies simply by looking at ourselves in the
mirror. This is why it is important to measure and monitor your body fat
percentage. Body fat percentage gives you a better measure of fitness
than weight alone. The composition of your weight loss could mean
you are losing muscle mass rather than fat, and you could still have a
high percentage of fat even when a scale indicates ‘normal weight’.
The table below can be used as a guide.
Body fat ratio (%)
Regarding body water
Body water is the single most important component of body weight. It
represents over half of your total weight and almost two thirds of your
lean body mass (predominantly muscle). Water performs a number of
important roles in the body:
• All the cells in the body, whether in the skin, glands, muscles, brain or
anywhere else, can only function properly if they have enough water.
Age
Female
Male
Underfat
Healthy
Overfat
Obese
Underfat
Healthy
Overfat
Obese
20-29
<19
20-28
29-31
>31
<13
14-20
21-23
>23
30-39
<20
21-29
30-32
>32
<14
15-21
22-24
>24
40-49
<21
22-30
31-33
>33
<16
17-23
24-26
>26
50-59
<22
23-31
32-33
>34
<18
18-24
25-27
>27
60+
<23
24-32
33-35
>35
<18
19-25
26-28
>28
