Your friend, a graduate student, complains of fatigue and recent weight gain. The symptoms started two months ago after she found out her lab was closing. Normally a very active person, her long hours...

Your friend, a graduate student, complains of fatigue and recent weight gain. The symptoms started two months ago after she found out her lab was closing. Normally a very active person, her long hours in the lab have made it difficult for her to find the time to work out. What are you concerned about, and what advice might you offer?