Some estimates currently attribute 15% to 20% of all cancers to infectious pathogen causes. In future, this percentage may be revised upwards if the pathogens c... more
Myocardial infarction (heart attack) is associated with Chlamydia pneumoniae, cytomegalovirus and Coxsackie B virus (an enterovirus). (Coxsackie B virus is also... more
Amyotrophic lateral sclerosis, the most common of five forms of motor neuron disease, is associated with echovirus (an enterovirus) infection of the central ner... more
Schizophrenia is associated with bornavirus, the bacterium Chlamydia trachomatis, as well as Borrelia species bacteria. Schizophrenia is also linked to neonatal... more
Irritable bowel syndrome (IBS) is associated with the protozoan parasite Giardia lamblia, and pathogenic strains of the protozoan parasite Blastocystis hominis.... more
Tourette syndrome is associated with the bacterium Streptococcus. Aggravating or contributory microbes in Tourette's may include the bacteria Mycoplasma pneumon... more
Multiple sclerosis, a demyelinating disease, is associated with Epstein-Barr virus, human herpesvirus 6, varicella zoster virus, and the bacterium Chlamydia pne... more
Depression is associated with cytomegalovirus and West Nile virus, and the protozoan parasite Toxoplasma gondii. It is thought that depression may be precipitat... more
One study found ileocecal Crohn's disease is associated with viral species from the enterovirus genus (but note that all the study cohort with ileocecal Crohn's... more
Autism is associated with prenatal maternal infection with rubella virus or cytomegalovirus. Clostridia bacteria species are associated with autism (these bacte... more
Alzheimer's disease is associated with the bacteria Chlamydia pneumoniae and Helicobacter pylori, and with the protozoan parasite Toxoplasma gondii. Herpes simp... more
Obesity is associated with adenovirus 36, which is found in 30% of obese people, but only in 11% of non-obese people. It has further been demonstrated that anim... more