Covert Bailey advises that you can estimate your fat ratio by
seeing how well you can float on your back in a regular swimming pool:
- Above 25% fat, people float easily;
- People with 22-23% fat (a
healthy level for women) can usually float while breathing shallowly;
- At 15% fat (low for a woman, healthy for a man), one will usually sink
slowly even with a full chest of air;
- At 13% or less fat, one will sink
readily even with a full chest of air, even in salty ocean water.
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