While everyone knows fruits and vegetables are beneficial to good health, it's increasingly seen as important to know which ones can be effective in treating specific illnesses. For example, which are good for cardiac care? Which can help combat and treat asthma? What are the safety concerns to be aware of when using herbs in combination with traditional medicines. Diet and nutrition are vital keys to controlling or promoting morbidity and mortality from chronic diseases, and the multitude of biomolecules in dietary fruits and vegetables play a crucial role in health maintenance. They may, therefore, be more effective and certainly could have different actions beyond nutrients however this science is still evolving.