Hi, do make sure your tutor knows about the Dyslexia so you can recieve the support you need xx They should also be providing suggestions for this research so that you know you're covering the criteria adequately. Were you given a reading list when you enroled and does your setting have any information on why they have particular healthy-eating and physical activity programmes in place ?
Some groups providing reseach include;
Physical activity initiatives based on research:
Hope this helps a little, all the best xx