What Fasting does for your body and soul:

By Tags: Published On: August 2, 2025

The Healing Fast: Where Science Meets the Spirit

Matthew 4:4 AMP “But Jesus replied, ‘It is written and forever remains written, ‘Man shall not live by bread alone, but by every word that comes out of the mouth of God.’’

From a clinical and pharmaceutical perspective, fasting is more than a spiritual discipline. It is a medically recognised metabolic intervention that starts a cascade of beneficial physiological processes throughout the body. When food intake is paused, the body shifts into hormonal rebalancing, enhance insulin sensitivity autophagy (cellular cleanup) and reduced systematic inflammation. These changes support internal healing and have noticeable external effects, including clearer skin, decreased bloating, improved fat distribution, and overall a more revitalised appearance.

This article will look at the physical benefits of fasting from a medical and scientific point of view. It will explain how fasting helps balance hormones, improve metabolism, and support the body’s natural detox process leading to better health and appearance.

In this season, believers are not only growing closer to God but are also taking control of their physical health through healing, discipline and renewal. Fasting is a reminder that while the body needs food, the soul needs prayer, meditation and the Word of God.

The article will focus on three focal areas where fasting has proven health benefits:

❖ weight control,

❖ blood sugar regulation

❖ heart health.

Each section will explain how fasting affects the body and how it can support overall wellness, with input from a pharmacist’s perspective.

Weight management:

During fasting, the body activates lipolysis, a process by which stored triglycerides (fats) are broken down into free fatty acids, and a single glycerol. These molecules are then converted into ATP, the body’s usable energy currency. This shift typically occurs between 16 to 24 hours into a fast, once glycogen reserves, which are the body’s stored-form of glucose, found in the liver and muscles are released for quick energy. In parallel, insulin levels decrease, which promotes fat oxidation. With lower circulating insulin, the body becomes more efficient at accessing fat stores for energy. This enhances weight regulation, and more importantly, improves insulin sensitivity, a key factor in preventing and managing Type 2 diabetes.

Fasting also impacts appetite-regulating hormones:

❖ Ghrelin (the “hunger hormone”) rises during fasting but tends to regulate over time.

❖ Leptin (signals satiety) increases after eating and becomes more effective over time as sensitivity improves.

This hormonal balance may support portion control, reduce emotional eating, and encourage discipline over dietary habits.

From a pharmacist’s point of view:

Patients who adopt intermittent fasting under medical supervision often experience improvements in glycaemic control, reduced cravings, and in some cases a decreased need for medications such as metformin, GLP-1 receptor antagonist and SGLT2 inhibitors. This can lead to dose reductions or in some cases, treatment de-escalation under clinical guidance.

Note: Hormonal adaptations to fasting vary depending on individual biology, duration, and fasting method

Blood sugar control:

Studies have consistently shown that intermittent fasting can lead to a measurable improvement in insulin sensitivity. Insulin is a hormone secreted by the beta cells of the pancreas and it plays a key role in transporting glucose from the bloodstream into the cells, where it can be used for energy. However, when individuals consume excessive amounts of sugar or refined carbohydrates over time, insulin efficiency may decline, leading to a condition known as insulin resistance.

Persistent insulin resistance can lead to elevated blood glucose levels, significantly increasing the risk of chronic illnesses such as Type 2 diabetes, cardiovascular disease, and metabolic syndrome. Fasting gives the body a chance to reset hormonal responses, reduce insulin output, and improve cellular responsiveness to insulin. This promotes more stable blood glucose levels and can reduce the metabolic burden on the pancreas.

Caution: For individuals on glucose-lowering medications, particularly insulin or sulfonylureas, fasting should only be undertaken under professional medical supervision. Sudden changes in glucose intake without medication adjustment may increase the risk of hypoglycaemia.

Cardiovascular Health and Risk Reduction:

Reducing the intake of processed foods, refined sugars, and sugary beverages plays a significant role in improving cardiovascular function. Fasting naturally encourages this reduction, and the resulting changes support several key health outcomes such as:

❖ Lower levels of LDL (low-density lipoprotein) cholesterol, commonly refer to as “bad” cholesterol

❖ Reduction in blood pressure (BP

❖ Improved endothelial (blood vessel) functio

These changes collectively reduce the risk of serious cardiovascular events, including:

❖ Stroke: Due to a blocked artery (plaque of cholesterol) or a burst of a blood vessel in the brain.

❖ Myocardial Infarction (heart attack): A medical emergency caused by a blockage in the heart vessels, which prevents blood from reaching the heart causing damage to the heart muscles.

❖ Hypertension: Unusually high blood pressure (normally above 140/90 bpm)

Clinically, fasting leads to decreased atherosclerotic plaque formation, improved vascular electricity, and a reduced workload on the heart. With less synthetic inflammation and oxidative stress, the heart can function more effectively and with less strain.

From the pharmacist’s perspective, patients who practice intermittent fasting often see improvements in lipid profiles (cholesterol) and a blood pressure readings, especially when combined with antihypertensive or lipid-lowering therapies. In many cases, these lifestyles changes enhance the effectiveness of medication and may reduce long-term dependence on pharmacological interventions.

Fasting is not a simple endeavour; it is a spiritual battle that demands intentionality, discipline, and perseverance. Yet, through this sacrifice comes a powerful reward: spiritual breakthroughs and tangible health benefits.

The Theme of this fast “Take Charge” reflect a call to action. Believers are not only denying the flesh but actively taking charge of the spiritual growth, physical health and long-term destiny. Denying the flash leads to weight gain in the spirit and an increase in spiritual strength, endurance and clarity.

Let this season be more than a pause from food, let it be a turning point. A journey of renewal, healing, and deeper intimacy with God. A time to reclaim control, realign priorities, and looking out for our physical health.

 

 

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