Researchers say people's help them to stay slim. Thin people have that help them stay and stops them putting on . A professor of metabolism and said: "Genes play at least 40 per cent of a in people's weight. It's more than realize." This might explain why some people are skinny, while others have with keeping their weight down.
The researchers wanted to find out so many people struggle with their weight. On the of Nauru, 94.5 per cent of are overweight. The wanted to help people who are struggling. She said: "It's to rush to and criticize people for their weight....Healthy, thin people are thin they have a lower of genes that increase a person's of being overweight."