英国财政研究所（IFS）：2024年卡路里转移的隐性代价：后疫情时代英国家庭饮食消费的长期效应研究报告（英文版）

After increasing during the first year of the pandemic, in 2020, calories purchased for at home consumption remained higher in 2021 than pre-pandemic, in 2019. In the first quarter of 2021, households were on average purchasing 295 (or 16.5%) more calories per day than in the first quarter of 2019. By the beginning of 2022, calories purchased into the home were back to their 2019 levels.

2. Calories purchased for at-home consumption became less healthy through 2020, with 54% of calories