INTRODUCTION:

Cancer of leukemia is classified as the group of cancer that is caused by the high production of abnormal white blood cells which subjects humanity as a global population to numerous burdens.¹There are different kinds of presentations of this disease; from severe fairly rapidly progressive disease, atypical pneumonia, to chronic disease of variable prognosis. Recognized on the basis of the speed of progression, acute leukemia are ALL and AML while chronic leukemia entail CLL and CML amongst others.² This review aims to consolidate the existing knowledge regarding the role of nutrition and associations between diet, supplements, and habits with leukemia, as well as the possibilities to modify the course of the illness. We review the rationale for different nutritional approaches based on the available scientific findings and discuss the possible pathways through which nutrition might modulate the risk of leukemia and its treatment outcomes. Furthermore, we outline the multifaceted nature of dietary supplement use in leukemia, emphasizing both potential advantages and disadvantages.

REVIEW LITERATURE:

1. Epidemiology and Etiology of Leukemia:

1. 1. Prevalence and Incidence:

The disease leukemia is a major global health concern that continues to impact people of all ages each year. Leukemia is one of the most prevalent cancers worldwide, according to data from the American Cancer Society. About 62,000 new instances of leukemia are reported in the United States each year, and about 24,000 people die from the disease.³

1. 2. Etiological Factors:

Leukemia is still not cleared of its causes, which are probably polygenic and must be determined by a combination of hereditary factors and some factors from the external environment. However, several factors have been identified as potential contributors: However, several factors have been identified as potential contributors:

1. 2. 1. Genetic Predisposition:

· The existence of a family history of a leukemia diagnosis is regarded as a significant risk factor since it is known that genetic factors contribute. Certain gene mutations have been linked in studies to an elevated risk of leukemia, including: Certain gene mutations have been linked in studies to an elevated risk of leukemia, including:

· TP53: A gene that regulates the processes of cell division and cell death among others. Defects in TP53 gene can affect protein function and thus deny the body an ability to control cell growth and lead to formation of cancer cells.⁴

2. Potential Mechanisms of Dietary Influence on Leukemia:

2. 1. Inflammation and Oxidative Stress:

This research demonstrates that oxidative stress and inflammation are important variables that lead to leukemia and a number of other cancers. These mechanisms include the production of pro-inflammatory cytokines and reactive oxygen species (ROS), which damage DNA, skew cell signaling pathways, and promote unchecked cell division.⁵

2. 1. 1. Dietary Factors Contributing to Inflammation and Oxidative Stress:

· High Consumption of Processed Foods: Eating foods from the convenience store often leads to the consumption of high amounts of saturated and Trans fats, sugar, and sodium compounds which trigger chronic inflammation, and oxidative stress.

· High Intake of Red Meat and Processed Meat: These foods have heme iron, iron that is bound with a protein and this type of iron can increase the production of free radicals and inflammation. Processed meat also contains high amounts of nitrates and nitrites that when ingested can transform into cancer-causing agents.⁶

2. 1. 2. Dietary Factors Reducing Inflammation and Oxidative Stress:

· High Consumption of Fruits and Vegetables: Cereals and vegetables for their part contain vitamins and minerals to prevent the occurrence of oxidative stress and inflammation processes. ⁷

· High Intake of Omega-3 Fatty Acids: The fats, omega 3 fatty acids in fatty fishes, walnuts, flaxseeds are anti-inflammatory and anti-cancerous. ⁸

2. 2. DNA Damage and Repair:

Human interference with the environment also exposes people to toxins and materials that are carcinogenic in nature, and thus they cause damage to the DNA of individuals, which in turn leads to mutations that contribute to leukemia development. Leukemia originates from mutations or alteration of the DNA, so diet may affect the rate at which cells in the body repair their DNA. ⁹

2. 2. 1. Dietary Factors Increasing DNA Damage:

· High Intake of Heterocyclic Amines (HCAs): HCAs are cancer causing agents that are produced when meats are cooked at high temperatures.

· High Intake of Polycyclic Aromatic Hydrocarbons (PAHs): PAHs are chemical compounds mostly associated with cancer that are formed when organic matter including wood, coal and tobacco is burnt incompletely.¹⁰

2. 2. 2. Dietary Factors Supporting DNA Repair:

· Adequate Intake of Folate: Folate is very vital in the synthesis of DNA and in the repair of the genetic code of the body. Lack of folate can reduce DNA repair ability and hence increases the ability of leukemia.

· Adequate Intake of Vitamin B12: Vitamin B12 is also vital for DNA synthesis and remodeling. If vitamin B12 is lacking in the body, DNA replication cannot occur appropriately, which puts one at the risk of leukemia.¹¹

3. Dietary Factors and Leukemia Risk:

3. 1. Fruits and Vegetables:

Numerous studies have also been carried out to examine the data that is now available regarding the connection between eating fruits and vegetables and the risk of leukemia. Leukemia risk has been reported to be decreased by include fruits and vegetables that satisfy daily requirements and are high in vitamins and vital minerals that promote health and fight disease.

3. 1. 1. Mechanisms Underlying the Protective Effects of Fruits and Vegetables: Mechanisms Underlying the Protective Effects of Fruits and Vegetables:

· Antioxidant Properties: Thus, fruits and vegetables are foods with strong antioxidant properties, which decrease oxidative stress and DNA damage in a living organism.

· Supportive of DNA Repair: So, the everyday consumption of fruits and vegetables, which contain folate and vitamin C required in the DNA repair process, is crucial to good health.

4. Nutritional Management of Leukemia:

4. 1. Nutritional Needs during Leukemia Treatment: Nutritional Needs During Leukemia Treatment:

Nutritional health is also impacted by cancer and its treatment, especially leukemia. Many patients who get chemotherapy and radiation therapy have nausea, vomiting, and appetite loss, which can result in malnutrition and noticeable weight loss. All of these have an impact on immune system suppression, which leaves patients susceptible to infections and may reduce the efficacy of treatment.¹²

4. 2. Dietary Recommendations for Leukemia Patients: Dietary Recommendations for Leukemia Patients:

Nutrition attention within patients with leukemia faces the above difficulties and should focus on optimal enrichment with nutrients and the general state of health. General dietary recommendations include:

4. 2. 1. Calorie and Protein Intake:

Thus, the unnamed man should meet adequate calorie and protein demands to support energy needs for tissue repair and prevent further weight loss.

· Calorie Needs: In general, people require different amounts of calories because they exist in a wide sieve of their age, levels of physical activity and the severity of the disease. Physicians and health care workers can help give individualized calorie advice.

· Protein Needs: Protein is required for tissue repair and immune system as well as for cooking and baking. The daily allowance that is suggested is 1. 2-1. Dietary protein intake recommendation is 5% of lean body mass and 0. 8 gm/kg body weight per day.^13,14

5. Nutrition and Leukemia Treatment Outcomes:

5. 1. Nutritional Status and Treatment Efficacy:

Additional research indicates that it functions in a manner that can enhance the advantages seen by leukemia patients receiving treatment. Maintaining a healthy nutritional status helps patients avoid side effects from radiation and chemotherapy, experience fewer side effects, and respond better to treatment overall.¹⁵

5. 2. Nutritional Interventions and Treatment Adherence:

Besides, dietary consultation and nutritional therapy are another factor of improving treatment adherence and improving patients’ quality of life in leukemia. It can also assist in fixing primary and secondary malnutrition; attenuate side effects in diets as well as aid people transform their eating habits in a more improved manner.^16,17

6. Future Directions and Research Gaps:

More research is still required to ascertain the association between various nutrients, food ingredients, and supplements and leukemia risk and prognosis, despite the fact that more studies have been done to identify the effect of nutrition on leukemia. Future research topics consist of:

6. 1. Large-scale Epidemiological Studies:

Including population-based large sample prospective cohort studies and long-term nutrition follow-up to evaluate the effects on leukemia occurrence of dietary patterns and separate nutrients.^18,19

6. 2. Mechanism-based Studies:

Examining the details of how diet modifies leukemia incidence and treatment outcomes focusing on the effects such as inflammation, oxidative stress, DNA damage, and immune blood.²⁰

CONCLUSION:

This extensive bibliographic analysis has thus sought to expand the thematic area of nutrition and leukemia to include not only the preventative but also the curative abilities. Despite the fact that conventional therapies still play a definitive role in the management of leukemia, literature evidence shows that nutritional therapies should also be considered as a significant modality since they also contribute significantly to the leukemic status, overall health, and results. More studies are still required to understand other facets of the nutrition and leukemia, which have not been demonstrated in this study. Understanding the available evidence about nutrition for leukemia and nutraceutical interventions is crucial to changing the current course of clinics, researchers, and people living with this difficult disease to give the best results.

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Received on 29.10.2024 Revised on 24.02.2025

Accepted on 27.05.2025 Published on 01.10.2025

Available online from October 04, 2025

Research J. Pharmacy and Technology. 2025;18(10):5097-5100.

DOI: 10.52711/0974-360X.2025.00736

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Creative Commons License.

The Role of Nutrition in Leukemia:

A Comprehensive Review of Diet, Supplements and Lifestyle Choices