101 Illnesses and Health Conditions that Poor Dietary can Cause

Poor diet can lead to a wide range of illnesses, many of which are chronic and preventable. This is an epic compilation of different illnesses and health conditions that poor dietary can cause.

The aim of this piece is to list all the common medical conditions capable of being caused by poor diet habit. We will then on a weekly basis, share healthy diet plan that can help ameliorate the health challenge. So, stay tuned to 7 diet plan for more diet and meal plan updates.

I will come back to this page to highlight the general diet plan for the condition that we have developed a 7 day diet plan for. So be sure to bookmark this page.

List of common illnesses and diseases that can be caused by poor dieting

1. Obesity: A diet high in calories, sugars, and unhealthy fats can lead to excessive weight gain and obesity.
2. Cardiovascular Disease: Diets high in saturated fats, trans fats, cholesterol, and sodium increase the risk of heart disease, high blood pressure, and stroke.
3. Type 2 Diabetes: Consuming too many refined sugars and processed foods can lead to insulin resistance and the development of type 2 diabetes.
4. Hypertension (High Blood Pressure): Excessive sodium intake, often from processed foods, can lead to hypertension, which increases the risk of heart disease and stroke.
5. Gastrointestinal Disorders: Diets low in fiber can lead to digestive problems like constipation, diverticulitis, and irritable bowel syndrome (IBS).
6. Malnutrition: Inadequate intake of essential nutrients (vitamins, minerals, proteins) can cause malnutrition, leading to conditions like anemia, weakened immune function, and poor bone health.
7. Cancer: Certain dietary patterns, such as high consumption of red and processed meats, and low intake of fruits, vegetables, and whole grains, are linked to a higher risk of cancers, including colorectal cancer.
8. Osteoporosis: A lack of calcium and vitamin D in the diet can weaken bones, leading to osteoporosis and an increased risk of fractures.
9. Fatty Liver Disease: Diets high in sugars and unhealthy fats can contribute to the accumulation of fat in the liver, leading to non-alcoholic fatty liver disease (NAFLD).
10. Dental Problems: Consuming too much sugar and acidic foods can cause tooth decay and gum disease.

11. Kidney Disease: Diets high in sodium, protein, and unhealthy fats can strain the kidneys, potentially leading to chronic kidney disease or worsening existing kidney conditions. High blood pressure and diabetes, both linked to poor diet, are also major contributors to kidney problems.
12. Metabolic Syndrome: This is a cluster of conditions (high blood pressure, high blood sugar, excess abdominal fat, and abnormal cholesterol levels) that increase the risk of heart disease, stroke, and type 2 diabetes. Poor dietary habits are a key factor in its development.
13. Gout: A diet high in purines, found in red meat, shellfish, and alcohol, can lead to gout, a painful form of arthritis caused by the buildup of uric acid crystals in the joints.
14. Inflammatory Conditions: Poor diet, especially one high in processed foods, refined carbohydrates, and unhealthy fats, can lead to chronic inflammation, which is linked to conditions such as rheumatoid arthritis, asthma, and inflammatory bowel diseases like Crohn’s disease and ulcerative colitis.
15. Mental Health Disorders: Deficiencies in certain nutrients, such as omega-3 fatty acids, B vitamins, and minerals like magnesium, are linked to depression, anxiety, and cognitive decline. Diets high in processed foods and sugars can also negatively impact brain health and mood.
16. Immune System Disorders: Poor nutrition can weaken the immune system, making the body more susceptible to infections and slowing down recovery from illness.
17. Gallbladder Disease: Diets high in unhealthy fats and low in fiber can lead to the formation of gallstones, which may result in gallbladder disease.
18. Anemia: A lack of iron, folate, and vitamin B12 in the diet can cause anemia, leading to symptoms like fatigue, weakness, and shortness of breath.
19. Skin Conditions: Poor diet can lead to skin problems like acne, eczema, and premature aging. Diets high in sugars and unhealthy fats can cause inflammation, which may manifest in various skin issues.
20. Infertility: Nutrient deficiencies, excessive consumption of trans fats, and poor overall diet quality can affect reproductive health in both men and women, potentially leading to infertility or complications during pregnancy.

21. Stroke: A diet high in unhealthy fats, sodium, and processed foods can increase blood pressure and cholesterol levels, which can lead to the formation of blood clots and blockages in the arteries, significantly raising the risk of stroke.
22. Dyslipidemia: Poor diet, especially one high in trans fats and refined sugars, can cause abnormal levels of lipids (fats) in the blood, such as high LDL (bad cholesterol) and low HDL (good cholesterol), increasing the risk of heart disease and other cardiovascular conditions.
23. Liver Cirrhosis: Chronic consumption of unhealthy, high-fat foods, particularly in conjunction with alcohol abuse, can lead to liver cirrhosis, where the liver becomes damaged and scarred, losing its ability to function properly.
24. Polycystic Ovary Syndrome (PCOS): Poor diet, especially one high in refined carbohydrates and sugars, can worsen insulin resistance and weight gain, both of which are risk factors for PCOS, a condition that affects hormonal balance and reproductive health in women.
25. Hypothyroidism: While hypothyroidism is often caused by autoimmune disorders, iodine deficiency, which can result from a poor diet, is a major cause of underactive thyroid function, leading to fatigue, weight gain, and depression.
26. Peptic Ulcers: Diets high in acidic or spicy foods, combined with unhealthy habits like smoking and alcohol consumption, can exacerbate the risk of developing peptic ulcers, which are sores that form on the lining of the stomach or small intestine.
27. Rickets: In children, a poor diet lacking in vitamin D, calcium, and phosphate can lead to rickets, a condition that causes the softening and weakening of bones, leading to skeletal deformities.
28. Scurvy: This is a severe vitamin C deficiency, often caused by diets low in fresh fruits and vegetables, leading to symptoms like fatigue, swollen gums, and bruising. Left untreated, scurvy can be fatal.
29. Goiter: A diet deficient in iodine can lead to the development of goiter, where the thyroid gland enlarges, causing swelling in the neck and potential difficulties in breathing and swallowing.
30. Beriberi: This is a deficiency in vitamin B1 (thiamine), often caused by poor nutrition or alcohol dependence. It can lead to symptoms such as weakness, confusion, nerve damage, and even heart failure if not treated.
31. Kwashiorkor: A severe protein deficiency, often due to malnutrition, leads to kwashiorkor, characterized by edema (swelling), an enlarged liver, and other severe health issues, particularly in children.
32. Marasmus: Another form of malnutrition, marasmus is caused by a significant deficiency in calories and protein, leading to extreme weight loss, muscle wasting, and stunted growth, most commonly affecting young children.
33. Night Blindness: A diet deficient in vitamin A can lead to night blindness, where the eyes lose the ability to adjust to low-light conditions, eventually progressing to more severe visual impairments if left untreated.
34. Neural Tube Defects: Pregnant women who don’t consume enough folic acid (vitamin B9) are at risk of having babies with neural tube defects, such as spina bifida, a condition where the spinal cord doesn’t develop properly.
35. Pellegra: This is caused by a deficiency of niacin (vitamin B3) and is characterized by diarrhea, dermatitis, dementia, and, if untreated, death. It often arises from poor nutrition and reliance on diets low in variety, such as those dependent on corn without proper preparation.
36. Chronic Fatigue Syndrome: A poor diet, especially one low in essential nutrients like iron, magnesium, and B vitamins, can contribute to chronic fatigue syndrome (CFS), where individuals experience prolonged and severe tiredness that doesn’t improve with rest.
37. Alzheimer’s Disease: While genetics play a role, diets high in saturated fats, sugars, and refined carbohydrates may increase the risk of cognitive decline and Alzheimer’s disease due to increased inflammation and oxidative stress in the brain.
38. Macular Degeneration: A poor diet lacking in antioxidants, vitamins A, C, E, and omega-3 fatty acids may contribute to macular degeneration, a condition that causes vision loss in older adults.
39. Pancreatitis: High-fat diets, especially those with excessive alcohol consumption, can trigger pancreatitis, where the pancreas becomes inflamed, leading to severe abdominal pain and digestive problems.
40. Arthritis: Poor dietary choices that promote inflammation (such as high consumption of processed foods, red meat, and sugars) can worsen arthritis symptoms, particularly in individuals with osteoarthritis or rheumatoid arthritis.
41. Gallstones: Diets high in cholesterol, refined sugars, and unhealthy fats can lead to the formation of gallstones, which can cause severe pain and inflammation in the gallbladder.
42. Chronic Obstructive Pulmonary Disease (COPD): While smoking is the leading cause, poor nutrition can worsen COPD symptoms by weakening the body’s ability to repair lung tissue and fight infections.
43. Hyperuricemia: Excessive consumption of purine-rich foods (such as red meats, shellfish, and sugary drinks) can lead to hyperuricemia, an elevated level of uric acid in the blood, increasing the risk of gout and kidney stones.
44. Dementia: Deficiencies in omega-3 fatty acids, antioxidants, and vitamins B6, B12, and folate are linked to an increased risk of dementia, cognitive decline, and other neurodegenerative disorders.
45. Hypoglycemia: Poor eating habits, such as skipping meals or consuming high-sugar, low-fiber diets, can cause blood sugar levels to fluctuate dramatically, leading to hypoglycemia (low blood sugar), which can cause dizziness, confusion, and fainting.
46. Chronic Sinusitis: While typically related to infections, poor diet, particularly one high in allergens or inflammatory foods, can exacerbate chronic sinusitis, leading to prolonged congestion, headaches, and facial pain.
47. Food Allergies and Sensitivities: Diets high in processed foods and artificial additives can contribute to the development of food allergies or sensitivities, which may cause symptoms ranging from digestive discomfort to severe anaphylaxis.
48. GERD (Gastroesophageal Reflux Disease): Diets high in fatty, spicy, or acidic foods, as well as overeating, can lead to GERD, a chronic condition where stomach acid flows back into the esophagus, causing heartburn and damage to the esophageal lining.
49. Celiac Disease: Though a genetic disorder, celiac disease can be triggered by consuming gluten (found in wheat, barley, and rye), leading to an immune response that damages the small intestine and causes nutrient malabsorption, diarrhea, and weight loss.
50. Eczema: Poor nutrition, particularly diets high in processed foods and low in essential fatty acids, can worsen eczema, a skin condition characterized by dry, itchy, and inflamed patches.
51. Diverticular Disease: A low-fiber diet increases the risk of diverticular disease, where small pouches form in the colon, leading to inflammation or infection (diverticulitis).
52. Anorexia Nervosa and Bulimia: While primarily psychological disorders, both anorexia nervosa (extreme restriction of food) and bulimia (binge eating followed by purging) result in severe malnutrition, electrolyte imbalances, and damage to vital organs.
53. Hepatitis: Certain diets, particularly those high in unhealthy fats and alcohol, can contribute to liver inflammation and conditions like alcoholic hepatitis or worsen viral hepatitis infections.
54. Impaired Wound Healing: A poor diet lacking in vitamins A, C, zinc, and protein can delay wound healing and increase the risk of infection.
55. Premature Aging: Diets high in sugars, unhealthy fats, and processed foods accelerate the aging process by increasing oxidative stress and inflammation, leading to wrinkles, skin damage, and other age-related conditions.
56. Hypokalemia: A diet low in potassium-rich foods (such as fruits and vegetables) can lead to hypokalemia, a condition where potassium levels in the blood are dangerously low. This can result in muscle weakness, cramping, irregular heartbeats, and even paralysis.
57. Hypocalcemia: Insufficient calcium intake, often due to a poor diet lacking in dairy products, leafy greens, or fortified foods, can lead to hypocalcemia (low calcium levels), resulting in muscle spasms, confusion, and, in severe cases, heart failure.
58. Hypercalcemia: On the other hand, excessive intake of calcium through supplements, along with vitamin D imbalances, can lead to hypercalcemia, causing bone pain, kidney stones, excessive urination, and fatigue.
59. Pancreatic Cancer: Diets high in red and processed meats, sugary foods, and alcohol can contribute to the risk of developing pancreatic cancer, a particularly aggressive and deadly form of cancer.
60. Insulin Resistance: A diet high in refined carbohydrates and sugars can lead to insulin resistance, where the body’s cells become less responsive to insulin. This can eventually lead to type 2 diabetes and metabolic syndrome.
61. Anorexia Cachexia Syndrome: In people with chronic diseases like cancer, HIV/AIDS, or heart failure, poor nutrition or malnutrition can result in anorexia cachexia syndrome, where the body loses weight, fat, and muscle mass despite adequate food intake.
62. Atherosclerosis: Diets rich in unhealthy fats (trans fats and saturated fats) can lead to the buildup of plaque in the arteries, known as atherosclerosis. This condition restricts blood flow and increases the risk of heart attacks and strokes.
63. Congestive Heart Failure: Poor diets high in sodium, fats, and sugars can weaken the heart over time, contributing to congestive heart failure, where the heart cannot pump blood effectively, leading to fluid buildup and difficulty breathing.
64. Peripheral Artery Disease (PAD): Diets high in cholesterol and unhealthy fats can cause plaque buildup in the arteries that supply blood to the limbs, leading to PAD, characterized by leg pain, numbness, and increased risk of infections and ulcers.
65. Multiple Sclerosis (MS): While not caused by diet alone, poor dietary habits can worsen symptoms in individuals with MS, a chronic autoimmune disease that affects the central nervous system. A diet high in processed foods and low in nutrients can increase inflammation and exacerbate MS-related fatigue and weakness.
66. Endometriosis: Although primarily a hormonal condition, poor dietary habits can worsen symptoms of endometriosis, a painful disorder in which tissue similar to the uterine lining grows outside the uterus. A diet high in processed and inflammatory foods can worsen pain and inflammation.
67. Asthma: Poor nutrition, especially diets low in antioxidants, vitamins C and E, and omega-3 fatty acids, can exacerbate asthma symptoms by increasing inflammation in the airways.
68. Cystic Fibrosis: People with cystic fibrosis have difficulty absorbing nutrients, and poor diet can worsen their condition. Malnutrition is a common complication of cystic fibrosis, leading to slowed growth, weakened immune systems, and lung infections.
69. Lymphoma: While lymphoma (cancer of the lymphatic system) is not directly caused by diet, certain dietary patterns that weaken the immune system or increase inflammation can potentially contribute to a higher risk of developing lymphoma or aggravating its symptoms.
70. Lactose Intolerance Complications: People with lactose intolerance who avoid dairy products without finding alternative sources of calcium and vitamin D may suffer from deficiencies, leading to weaker bones, muscle cramps, and other complications.
71. Sleep Apnea: Obesity caused by a poor diet is a significant risk factor for obstructive sleep apnea, a condition where breathing repeatedly stops and starts during sleep. Excess weight around the neck and airway can block normal breathing.
72. Thyroid Disorders: Iodine deficiency, common in areas where diets lack seafood, dairy, and iodized salt, can cause hypothyroidism, while excessive iodine intake can contribute to hyperthyroidism.
73. Swollen Gums (Gingivitis): Poor diet, particularly one lacking in vitamin C, can lead to swollen, bleeding gums, and may worsen gum disease like gingivitis and periodontitis.
74. Premenstrual Syndrome (PMS): Diets high in sugars, refined carbs, and salt can exacerbate PMS symptoms, including mood swings, bloating, and fatigue. A well-balanced diet with sufficient vitamins and minerals can help reduce these symptoms.
75. Behavioral Problems in Children: Diets high in sugars, artificial additives, and unhealthy fats have been linked to behavioral issues in children, such as hyperactivity, attention deficit hyperactivity disorder (ADHD), and poor concentration.
76. Migraine Headaches: Certain foods, including processed meats, aged cheeses, and foods with artificial additives, can trigger migraines in some individuals. Additionally, poor diet or irregular eating patterns may worsen headache frequency.
77. Dysbiosis: A diet high in processed foods and low in fiber can lead to an imbalance of gut bacteria, known as dysbiosis. This condition can cause digestive issues, including bloating, constipation, diarrhea, and an increased risk of chronic diseases like inflammatory bowel disease (IBD).
78. Tinnitus: Poor diet, particularly one high in caffeine, alcohol, and salt, can worsen tinnitus (ringing in the ears), as these substances affect blood pressure and circulation in the ear.
79. Sleep Disorders: Diets high in sugar and caffeine, as well as deficiencies in certain vitamins and minerals (like magnesium and vitamin B6), can disrupt sleep patterns and lead to insomnia or poor-quality sleep.
80. Muscle Atrophy: A diet lacking in protein can lead to muscle atrophy, where muscle mass is gradually lost, often seen in malnutrition or chronic illnesses. This can result in weakness, fatigue, and poor physical performance.

81. Peripheral Neuropathy: A poor diet lacking in essential nutrients, particularly B vitamins, can lead to peripheral neuropathy, where nerves outside the brain and spinal cord become damaged, causing numbness, tingling, and pain, especially in the hands and feet.
82. Osteoarthritis: Diets high in inflammatory foods like sugar, processed meats, and unhealthy fats can worsen osteoarthritis symptoms, leading to joint pain, stiffness, and reduced mobility.
83. Hypomagnesemia: A diet low in magnesium-rich foods like leafy greens, nuts, and whole grains can lead to hypomagnesemia, a deficiency in magnesium that causes muscle cramps, mental confusion, and irregular heartbeats.
84. Hypophosphatemia: Poor nutrition can result in a deficiency of phosphorus, leading to hypophosphatemia, which can cause weakness, bone pain, and muscle dysfunction.
85. Fibromyalgia: While the exact cause of fibromyalgia is unknown, a diet high in sugars and processed foods can increase inflammation and worsen symptoms like chronic pain, fatigue, and cognitive difficulties.
86. Mood Disorders: Poor dietary habits, particularly those high in processed foods, sugar, and unhealthy fats, can contribute to mood disorders like depression and anxiety due to their impact on brain chemistry and inflammation.
87. Severe Constipation: Diets low in fiber from fruits, vegetables, and whole grains can lead to chronic constipation, causing discomfort, bloating, and the need for laxatives.
88. Diverticulitis: A diet lacking in fiber can lead to diverticulitis, where the pouches formed in the intestines become inflamed or infected, causing abdominal pain and digestive issues.
89. Hemorrhoids: Constipation caused by a low-fiber diet can lead to hemorrhoids, swollen veins in the rectum or anus that cause pain, itching, and bleeding.
90. Skin Infections: A poor diet lacking in essential nutrients like vitamins A, C, and zinc can weaken the skin’s barrier, making it more prone to infections, including fungal and bacterial skin conditions.
91. Toxemia (Pre-eclampsia): A poor diet during pregnancy, especially one low in protein and nutrients like calcium, may increase the risk of pre-eclampsia, a serious condition characterized by high blood pressure and protein in the urine.
92. Sleep Apnea Complications: Obesity caused by poor dietary habits can worsen sleep apnea, leading to higher risks of cardiovascular problems, diabetes, and cognitive decline.
93. Muscle Cramps: Deficiencies in key electrolytes, such as potassium, magnesium, and calcium, often due to poor diet, can cause frequent muscle cramps and spasms.
94. Hyperphosphatemia: Excessive consumption of phosphate additives, found in processed foods and sodas, can lead to hyperphosphatemia, causing bone and joint pain, itchy skin, and damage to the kidneys.
95. Hearing Loss: Poor diets lacking in antioxidants, omega-3 fatty acids, and essential vitamins may accelerate age-related hearing loss by contributing to damage in the auditory system.
96. Fatigue: Chronic fatigue can be exacerbated by poor nutrition, particularly a diet high in sugars and refined carbohydrates, which cause blood sugar spikes and crashes, leading to energy depletion.
97. Breast Cancer: While genetics are a major factor, poor diet (high in fats, processed foods, and sugar) may increase the risk of developing breast cancer by contributing to obesity and hormonal imbalances.
98. Stomach Cancer: A diet high in smoked, salted, and processed meats may increase the risk of stomach cancer by contributing to inflammation and the growth of harmful bacteria in the stomach.
99. Hypovitaminosis D: A diet lacking in vitamin D, or insufficient exposure to sunlight, can lead to vitamin D deficiency, causing weakened bones, muscle pain, and an increased risk of fractures.
100. Peripheral Vascular Disease (PVD): Poor dietary habits that lead to obesity and high cholesterol can contribute to PVD, where blood vessels outside the heart and brain become narrowed, reducing blood flow to the limbs.
101. Hypertensive Heart Disease: A high-sodium diet, which can lead to chronic hypertension (high blood pressure), may eventually result in hypertensive heart disease, where the heart becomes overworked and weak, increasing the risk of heart failure and stroke.

If you got to this page because you have one of mentioned illnesses or medical condition, do not be discouraged as help is on its way through professionally crafted diet specifically planed for you. Just get in touch so that we can evaluate how we can help.