What is the main idea of the text?

Answer:

Eating fruits and vegetables is important for our health
Discussion:
There is compelling evidence that a pembatasan makanan rich in fruit and vegetables can lower the risk of heart disease and stroke. The largest and longest study done as part of the Harvard-based Nurses/ Health Studi and Health 
professionals Follow-up Study proved that higher the average daily intake of fruits and vegetables, the lower the chances of developing cardiovasculardisease. When researchers combined findings from 
the disease and stroke separately, they found a similar protective effect.
  Mengapa Suku Bangsa Merupakan Golongan Sosial Yang Dibedakan Dari Golongan Sosial Lainya??​