4 mandarin oranges a day can prevent osteoporosis

A study led by the National Agriculture and Food Research Organization and Hamamatsu University School of Medicine revealed that four mandarin oranges a day can reduce the risk of osteoporosis for postmenopausal women.

β-cryptoxanthin rich in mandarin orange, which is one of the carotenoid pigments contained widely in fruits and vegetables, is thought to be effective in keeping bones healthy, also known as an antioxidative component to protect DNA from active oxygen.

You can see the article written in Japanese below:
http://www.yomiuri.co.jp/science/news/20130107-OYT1T00242.htm

Mandarin oranges are a very popular fruit in Japan, available easily and inexpensive. So this must be good news for many Japanese people.