24/08/2026
Word of the Day
Study Topic: Medical Benefits of Fasting
Isaiah 58:6: “Is not this the fast that I have chosen? to loose the bands of wickedness, to undo the heavy burdens, and to let the oppressed go free, and that ye break every yoke?” (KJV). Fasting is generally defined as the voluntary act of going without food and sometimes drink, for a set period. People fast from food for a number of reasons. It could be for religious devotion, medical tests, or health goals like weight management. Fasting, according to medical studies, provides several health benefits. It is for this reason that there is a recent surge in its popularity. There are many different ways of fasting. Generally, most fasts involve cycling between periods of eating and fasting, ranging from a few hours to a few days at a time. The Bible in 1 Timothy 4:8 tells us that: “For bodily exercise profiteth little: but godliness is profitable unto all things, having promise of the life that now is, and of that which is to come” (KJV). This makes us understand that there are some physical things that we need to do in order to gain some benefits. Fasting is a physical activity that has spiritual implications. Based on medical studies, the following are 6 health benefits of fasting.
1. Promotes blood sugar management by reducing insulin resistance: Several studies have found that intermittent fasting 3 days per week can reduce the risk of type 2 diabetes by increasing insulin sensitivity. Decreasing insulin resistance can increase your body’s sensitivity to insulin, allowing it to transport glucose from your bloodstream to the cells more efficiently. Coupled with the potential blood sugar-lowering effects of fasting, it could also help keep blood sugar steady, preventing spikes and crashes in blood sugar levels. Intermittent fasting, including time-restricted feeding, may reduce risk factors associated with metabolic syndrome, a group of five risk factors that increase the likelihood of type 2 diabetes, heart disease, and stroke.
2. Promotes better health by fighting inflammation: Studies show that inflammation may be involved in the development of chronic conditions, such as heart disease, cancer, and rheumatoid arthritis. Some studies have found that fasting can help decrease levels of inflammation and promote better health. Studies found that intermittent fasting could significantly reduce levels of C-reactive protein, which is a marker of inflammation.
3. May enhance heart health by improving blood pressure: Some research has found that incorporating fasting into your routine may be especially beneficial for heart health. Studies revealed that alternate-day fasting could reduce levels of total cholesterol and several risk factors for heart disease in people with overweight compared to a control group.
4. Aids weight loss by limiting calorie intake: Many dieters experiment with fasting to try to lose weight. Theoretically, abstaining from all or certain foods and beverages should decrease your overall calorie intake, potentially leading to increased weight loss over time. Studies found that intermittent fasting was more effective in inducing weight loss compared to continuous calorie restriction. Fasting may lead to greater reductions in body fat and belly fat compared to continuous calorie restriction.
5. Promote brain health/cognitive function: Fasting significantly upregulates levels of Brain-Derived neurotrophic factor (BDNF). Fasting supports brain health by elevating BDNF, promoting neuroplasticity, reducing neuroinflammation, and improving neuronal energy metabolism. Fasting’s links to BDNF, neuroplasticity, and reduced Alzheimer’s risk.
6. Promotes Gut health/Digestive Rest: During eating periods, the Migrating Motor Complex (MMC) - a cyclic electrical wave that sweeps through the digestive tract is suppressed. During fasting, the MMC is reactivated, effectively propelling food residue and bacteria from the small intestine into the large intestine. This helps prevent Small Intestinal Bacterial Overgrowth (SIBO) and alleviates issues like constipation and bloating. Fasting benefits for the gut include providing digestive rest, activating the MMC "cleanup" mechanism, remodelling the microbiome toward a healthier profile, and strengthening the intestinal barrier
7. May aid in cancer prevention and increase the effectiveness of chemotherapy: A 2021 study published in the American Cancer Society Journal (Clifton, K. K., Ma, C. X., Fontana, L., & Peterson, L. L. (2021). Intermittent fasting in the prevention and treatment of cancer. CA: A Cancer Journal for Clinicians, 71(6), 527–546. https://doi.org/10.3322/caac.21694) notes that intermittent fasting may benefit the treatment and prevention of cancer in some situations. It may decrease tumour growth and toxicity from chemotherapy in some people. But, they note that more high-quality clinical trials are needed and recommend that people undergoing cancer treatment only do intermittent fasting as part of a clinical trial. For some situations and types of cancer, it could potentially have a negative effect. Despite these promising findings, additional studies are needed to look at how fasting may influence cancer development and treatment.
May the Lord grant us understanding of His word in the name of Jesus.
©Apostle Abiodun Adebanjo, Coordinating Pastor, House of the Word Ministry, August 2025