How are the ideas of the two speakers Dean Ornish and Stephen Friend similar? How are they different? Compare and contrast these two videos with specific examples of how these speakers' viewpoints are both alike and different.

a) Both stress the importance of lifestyle changes for health.
b) Ornish focuses on dietary habits, while Friend emphasizes genetic factors.
c) Ornish advocates for plant-based diets, while Friend suggests personalized medicine.
d) Ornish highlights the role of stress reduction, whereas Friend discusses genomic data.