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先是见面礼，要不要带啤酒，两个人来回说了好一阵。带几瓶，什么价位的，都是当地的礼数。再是红包。阿爸数着那边有几个孩子。可轮到封钱时，又犹豫起来，一百，还是两百？在我们当地，一百、两百的差别，往往意味着关系远近的差别。
For a long time fat was seen simply as an inert yellow substance wrapping around our bodies, but now that’s changing. Scientists are beginning to understand that our fat is actually intricate and dynamic, constantly in conversation with the rest of the body. It’s now even considered by some to be an organ in its own right. To find out more about the complex role fat plays in our health, Ian Sample hears from co-host Madeleine Finlay and from Declan O’Regan, professor of cardiovascular AI at Imperial College London