Malnutrition is thought to affect 10% of people over 65 (pdf) in the UK.
The condition is thought to affect about one percent of adults worldwide.
The condition is thought to affect one in 4,500 girls.
But H. pylori also is thought to affect two digestive hormones involved in hunger and satiety.
The ACCC is conducting an investigation into the scandal, which is thought to affect 11m vehicles worldwide.
Cases of the disease have doubled in the past decade and it is thought to affect up to 10% of sexually active women under 25.
Seasonal Affective Disorder, or SAD, is a form of depression caused by the weather, and is thought to affect millions of people in the UK.
8. IRRITABLE BOWEL SYNDROME -- A disorder that causes pain, bloating and constipation, it is thought to affect 15 to 20percentt of Americans, many of whom remain untreated.
Dementia is now the leading cause of death in England and Wales, and is thought to affect more than 850,000 people in the UK.
IED, characterised by bouts of extreme and disproportionate rage, is thought to affect 2-32-3% the population of the USA, according to the research paper.
It is thought to affect up to five million people worldwide, including more than a million in the US, according to the Lupus Foundation of America.
