原题
The Power of Placebos
The placebo effect challenges conventional ideas about medical treatment efficacy. What is a placebo? A patient's condition sometimes improves if they believe that they are receiving an effective treatment, even if they are in fact receiving a sugar pill. In this example, the sugar pill, which has no active ingredient, is a placebo. Surprisingly, this effect can sometimes rival real medications in clinical trials.
Recent studies suggest that the placebo effect might be rooted in the brain's complex chemistry. When a patient anticipates positive effects, their brain can release chemicals like endorphins, which may cause genuine physiological changes. In one study, patients receiving placebo "painkillers" reported pain relief comparable to the one produced by actual painkillers, highlighting the brain's powerful role. Some researchers propose using the placebo effect deliberately to enhance therapy outcomes, arguing that the mind-body connection should be tapped into more.
However, ethical considerations arise: deceiving patients could undermine trust in healthcare. For example, even when a placebo leads to measurable improvement, knowingly administering it without full disclosure may violate principles of informed consent, raising questions about autonomy and transparency in patient care. This delicate balance between harnessing the placebo effect and maintaining ethical standards continues to be a topic of debate.
How does the placebo effect challenge traditional views on treatment?
ABy showing that patients should have more say in selecting their medications
BBy suggesting that a patient's belief can be as powerful as a medicine
CBy questioning existing measurements of the effectiveness of a treatment
DBy pointing out a possible way to reduce the costs of clinical trials
正确答案：B
解题思路
老师暂未填写解题思路。