Vegetables and fruits quickly improve health, the researchers note. In the new study, the behavior at the University of Otago, participated 171 volunteers aged 18 to 25 years. Participants were divided into three groups. The first group was fed the same way as before. The second group is encouraged to eat more fruits and vegetables with text reminders and pre-paid vouchers. A third group was given a daily fresh fruits and vegetables (carrots, apples, kiwi and oranges), tells Medical Xpress.
The study lasted two weeks. The researchers found that during the study, the participants from the third group significantly increased the level of psychological well-being. Volunteers become more energetic, and have increased motivation. In the second group there were no such improvements.
In addition, experts have found out: Participants in the second group ate the most vegetables, heat-treated, or used them with other products. A third group of volunteers largely eating raw fruits and vegetables. Scientists believe that further research is needed.