Findings from the study suggest that consumers should be cautioned about
the overconsumption of meat in addition to avoiding eating excessive
amounts of sugar.
There are currently more than 1.9 billion adults worldwide that are overweight, and over 600 million of these people are obese.
According to the World Heath Organization (WHO), the cause of obesity is an energy imbalance between calories consumed and calories expended. Factors that reduce obesity include limiting energy intake from fats and sugars.
Prof. Maciej Henneberg, head of the Biological Anthropology and
Comparative Anatomy Research Unit, says: "While we believe it's
important that the public should be alert to the overconsumption of
sugar and some fats in their diets, based on our findings we believe
meat protein in the human diet is also making a significant contribution
to obesity."
While meat is a valuable source of protein, vitamins,
and minerals in the diet, dietary guidelines often focus on reducing
intake of red and processed meats that are high in saturated fats to
maintain blood cholesterol levels and lower the risk of heart disease and bowel cancer.
"Our findings are likely to be controversial because they
suggest that meat contributes to obesity prevalence worldwide at the
same extent as sugar," says Prof. Henneberg.
While studies often highlight fat content in meat as a contributor to
obesity, Ph.D. student Wenpeng You, who conducted the study and recently
presented the findings of his work at the 18th International Conference
on Nutrition and Food Sciences in Zurich, Switzerland, says: "On the
contrary, we believe the protein in meat is directly contributing to
obesity."
Experts in comparative anatomy
and human evolution from the University of Adelaide's School of
Medicine studied the correlation between meat consumption and obesity
rates in 170 countries.
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