配料表越短＝食品越健康？两码事！

Group 1 - The length of the ingredient list does not directly correlate with food safety, and shorter lists do not necessarily indicate healthier options [6][7][8] - Food safety is determined by the type and amount of additives used, rather than the number of additives present [7][9] - The concept of "zero preservatives" can be misleading, as preservatives play a crucial role in preventing food spoilage and ensuring safety [9][10] Group 2 - Sunlight exposure through glass does not effectively contribute to calcium absorption due to significant reduction in UVB penetration [2][3] - The optimal times for sunlight exposure to synthesize vitamin D are between 9-10 AM and 3-5 PM, with 30-60 minutes of exposure recommended [3] - Solar panels do not emit harmful electromagnetic radiation, and their operation is well within safety standards set by health organizations [4][5]