By eliminating free radicals from our body, we interfere with important defensive mechanisms for eliminating damaged cells, including cancerous cells. So antioxidant substances can also harm people.
在消灭我们身体中的自由基时，我们也就干预了消灭受损细胞，包括癌细胞的重要防御机制。所以抗氧化物质同样也会对人产生伤害。而如果我们的膳食中通常包含安全水平、高浓度的补充抗氧化剂就会很危险。