Answer:
Illness Anxiety Disorder
Step-by-step explanation:
Illness anxiety disorder is a psychiatric disorder also known as hypochondria or hypochodriasis, that describes an individual having a constant or continious fear of having a serious medical illness.
In other words, an individual suffering from this type of disorder often believed s/he has serious health issue, by putting so much attention to his or her health.
Hence, in this case, Andre's preoccupation with his health is indicative of: Illness Anxiety Disorder