Final answer:
The Eastern cultural group believes that upset in body energy can cause disease, and they use practices such as acupuncture and herbal medicine to restore the balance of energy and promote healing.
Step-by-step explanation:
The cultural group that believes that upset in body energy can cause disease is the Eastern cultural group. In Eastern cultures, such as Traditional Chinese Medicine, illness is often seen as a result of an imbalance or disruption in the body's energy flow, known as qi. When the flow of qi is disrupted, it can lead to various health issues.
The practices of acupuncture, herbal medicine, and tai chi are often used in Eastern cultures to restore the balance of qi and promote healing.