Diet and disease


Meat, fish, eggs and dairy play a major role in all our biggest killers; diabetes, heart disease and cancer. What we eat can affect our bodies in a number of ways and there’s no denying that animal products are linked to all kinds of health problems – from arthritis to zits!

You can read about the following health conditions in our Incredible Vegan Health Report or head to our A-Z of Diseases for more information.


Asthma is a respiratory condition characterised by attacks of spasms in the airways, which causes difficulty in breathing, wheezing, chest-tightness and breathlessness.

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Arthritis is the inflammation of joints. It causes joint pain and stiffness which usually worsens with age. The most common types of arthritis are osteoarthritis and rheumatoid arthritis.

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Bone health

The human body is a fine-tuned machine that works best only under certain conditions and is very sensitive to any changes in the inner environment.

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A cataract is a clouding of the lens in the eye, either formed of proteins or pigments, that develops slowly and leads to a decrease in vision. It can eventually lead to blindness.

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Chronic lung diseases

Chronic obstructive pulmonary disease (COPD) is the generic name for a cluster of lung diseases including chronic bronchitis, emphysema and chronic obstructive airways disease.

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Diabetes is a condition caused by the pancreas failing to produce the hormone insulin or producing insufficient quantities. Another cause is insulin resistance – the body cells’ inability to react to insulin.

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Fibromyalgia is a condition characterised by widespread pain, painful response to pressure, morning stiffness, fatigue, sleep disturbances and can include many other health issues.

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Metabolic syndrome

Several studies looking at the diets of middle-aged and elderly people of different ethnicities show that vegetarians are at a much lower risk of metabolic syndrome than meat-eaters.

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