Participants in the first group will take part in a yoga program. If you are assigned to the yoga group, you will take part in 3 sessions of yoga each week for 6 weeks. You may take part in the yoga sessions any 3 days of the week. Each yoga session will last around 60 minutes. During the yoga sessions, you will also be asked to do breathing exercises and to perform different movements and meditation. None of the movements are difficult. You will be able to follow this program at your own pace.