What are some diseases that not caused by pathogens?

1. Genetic disorders

Genetic disorders are caused by mutations in genes. These mutations can be inherited from parents or can occur spontaneously. Some examples of genetic disorders include:

- Cystic fibrosis

- Sickle cell anemia

- Huntington's disease

- Tay-Sachs disease

2. Environmental factors

Environmental factors can also cause diseases. These factors can include:

- Chemicals

- Radiation

- Pollution

- Tobacco smoke

- Alcohol

- Poor diet

- Lack of exercise

Some examples of diseases that can be caused by environmental factors include:

- Cancer

- Heart disease

- Stroke

- Obesity

- Diabetes

3. Autoimmune diseases

Autoimmune diseases are caused by the body's immune system attacking its own tissues. The exact cause of autoimmune diseases is unknown, but it is thought that they may be caused by a combination of genetic and environmental factors. Some examples of autoimmune diseases include:

- Rheumatoid arthritis

- Lupus

- Multiple sclerosis

- Crohn's disease

- Ulcerative colitis

4. Idiopathic diseases

Idiopathic diseases are diseases that have no known cause. Some examples of idiopathic diseases include:

- Fibromyalgia

- Chronic fatigue syndrome

- Irritable bowel syndrome

- Migraines

- Cluster headaches