Make candied zest from any citrus fruit (see tip) and use as a tangy decoration for your cakes and cheesecakes. Once the zest has been poached in the syrup, you can toss it in extra sugar and/or ...

The gut has long been linked to overall health, underscoring the importance of feeding it well. A new study shows that eating citrus fruits, such as oranges, may lower the risk of depression by ...

A version of this story appears in the February 2017 issue of National Geographic magazine. Citrus, in many ways, stands alone. So many cultivated species have come from so few primary ancestors.