Indonesia, Malaysia and Philippines
The Bajau tribe, also known as the Sama-Bajau, lives in coastal areas of Indonesia, Malaysia, and the Philippines and depends entirely on the sea. They are excellent free divers, diving 20–30 meters deep and holding their breath for 5–13 minutes without equipment. Recent research shows that the Bajau have spleens that are 50% larger than average, helping them dive longer and deeper. This adaptation is linked to a variation in the PDE10A gene.
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