For this answer I would go with D. Retinalogic. It is not a vitamin.
1. adding just 5 minutes more of walking after a cardiovascular routine
F correct intensity level
2. re-adjusting your exercise routine after an injury
E accept set-backs
3. beginning a new cardiovascular program by walking and not running
B progress incrementally
4. understanding that you may lose muscle strength during a vacation
D feedback
5. making your routine for the month personally relate to you
C goal making
6. making a long-term commitment to exercise
A lifelong process
Lungs disease
jaundice
handicapped
heart disease
