A recent study conducted by scientists at Tufts University has found that the global population’s diet has not significantly improved over the past 30 years. The study analyzed data from over 1,100 studies in 185 countries, including data from children and adolescents. The researchers found that women tend to eat slightly healthier than men, with a greater consumption of fruits, whole grains, and non-starchy vegetables. However, the study also found that the differences in dietary habits between genders are most significant in countries with high incomes, such as Germany.

Despite the introduction of numerous new food products by the food industry, the study found that people’s diets have not improved significantly since 1990. While there has been an increase in the consumption of legumes, nuts, and non-starchy vegetables, this has been offset by an increase in the consumption of unhealthy components such as red and processed meat, sugary drinks, and sodium. The researchers used a scale of 0 to 100 to measure how well people adhere to recommended dietary guidelines, with 100 representing a healthy diet and 0 representing an unhealthy diet. The global average score in 2018 was 40, which is considered below average. The lowest scores were found in Brazil, the United States, and Egypt, while the highest scores were found in Vietnam, Iran, Indonesia, and India.

The study also found that socio-economic factors, such as education and urbanization, strongly influence food choices. People with higher levels of education tend to eat healthier, and children with better-educated parents also tend to have a higher overall quality of diet. The study’s lead author, Victoria Miller, emphasized the need for continued efforts to improve global dietary habits, stating that “diet is the leading risk factor for poor health globally, and this study highlights the need to comprehensively evaluate dietary intake at the population level.”

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