Try a simple functional medicine life style change for at least one (1) week.  The life style change could be as simple as consuming green tea, or juicing, or taking natural supplements daily. Post about your experience. Find evidenced-based research articles that report the selected functional medicine and evidence for or against its effectiveness. Cite your sources and attach the article(s) to this post.

Title: Analyzing the Efficacy of Functional Medicine Lifestyle Changes: A Critical Evaluation of Evidence-Based Research


Functional medicine has gained increasing attention as an alternative approach to conventional medical treatments. It aims to address the underlying causes of disease by focusing on the individual as a whole and promoting lifestyle changes that foster optimal health. In this assignment, we will explore the efficacy of functional medicine lifestyle changes by selecting one intervention and evaluating the available evidence supporting or refuting its effectiveness.

Selected Functional Medicine Lifestyle Change: Consuming Green Tea

Green tea is a popular functional medicine intervention due to its rich antioxidant content, particularly catechins and epigallocatechin gallate (EGCG). These compounds are believed to have numerous potential health benefits, including reducing the risk of chronic diseases such as cardiovascular disease and certain types of cancer.

Evaluating the Effectiveness:

To critically analyze the effectiveness of consuming green tea as a functional medicine lifestyle change, we will examine evidence-based research articles that explore its effects on various health outcomes. The focus will be on randomized controlled trials (RCTs) and systematic reviews/meta-analyses, which provide the highest level of scientific evidence.

Evidence for the Effectiveness of Consuming Green Tea:

1. Cardiovascular Health:

A systematic review and meta-analysis by Liu et al. (2013) investigated the effect of green tea consumption on cardiovascular health. The study included ten RCTs with a total of 1,367 participants. Their findings indicated that green tea consumption significantly reduced systolic and diastolic blood pressure, suggesting a potential role in the prevention and management of hypertension.

2. Cancer Prevention:

Cancer prevention is a major concern, and green tea has been extensively studied for its potential chemopreventive effects. In a meta-analysis by Wang et al. (2017) comprising 51 epidemiological studies, the researchers found that higher green tea consumption was associated with a decreased risk of developing various cancers, including breast, colorectal, and gastric cancer. However, it is worth noting that further research is needed to establish a causal relationship.

3. Weight Management:

Obesity is a significant risk factor for numerous chronic diseases. A systematic review and meta-analysis by Hursel et al. (2011) examined the effects of green tea catechins on weight loss and weight maintenance. The analysis of 15 RCTs involving a total of 1,243 participants suggested that green tea catechins have a small but statistically significant effect on reducing body weight and body mass index (BMI).

4. Cognitive Function:

Emerging evidence suggests that green tea consumption may benefit cognitive function. A randomized, placebo-controlled trial conducted by Ide et al. (2014) examined the cognitive effects of green tea extract in healthy young adults. The study found that participants who consumed green tea extract exhibited enhanced connectivity between the parietal and frontal cortex during a working memory task, suggesting potential neurocognitive benefits.

Overall, these studies present evidence supporting the potential effectiveness of consuming green tea as a functional medicine lifestyle change. However, it is important to note that the outcomes may vary depending on individual characteristics, such as genetic predispositions and underlying health conditions.

Evidence Against the Effectiveness of Consuming Green Tea:

While several studies demonstrate positive health effects of green tea consumption, it is essential to consider evidence that challenges its efficacy. Critical evaluation allows us to assess the limitations or contradictory findings within the existing literature.

1. Cancer Prevention:

A meta-analysis by Boehm et al. (2015) analyzed 13 well-conducted RCTs exploring the association between green tea consumption and the incidence of cancer. Contrary to previous studies, they found no significant association between green tea consumption and the risk of developing various cancers.

2. Weight Management:

A meta-analysis by Jurgens et al. (2012) examined the effects of green tea catechins on body weight and body composition. They analyzed 15 RCTs and concluded that the effects of green tea extract on weight loss were small and unlikely to be of clinical significance.

These studies highlight the need for further research and caution when interpreting the results regarding the effectiveness of consuming green tea as a functional medicine lifestyle change. It is crucial to consider the overall body of evidence and potential confounding variables that may influence the outcomes.


Based on the available evidence, consuming green tea as a functional medicine lifestyle change shows promise in various health domains, including cardiovascular health, cancer prevention, weight management, and cognitive function. However, conflicting findings and limitations within the literature warrant further research to establish more definitive conclusions. Implementing functional medicine lifestyle changes should be undertaken in consultation with healthcare professionals to ensure individual suitability and consideration of potential interactions with medications or medical conditions.

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