This article discusses notable unsolved problems in medicine. Many of the problems relate to how drugs work (the so-called mechanism of action), and to...

Unsolved problems in biology Unsolved problems in chemistry Unsolved problems in geoscience Unsolved problems in medicine Unsolved problems in neuroscience...

a list of unsolved problems in chemistry. Problems in chemistry are considered unsolved when an expert in the field considers it unsolved or when several...

This article lists notable unsolved problems in biology. Origin of life. Exactly how, where, and when did life on Earth originate? Which, if any, of the...

This list of unsolved deaths includes notable cases where: The cause of death could not be officially determined following an investigation The person's...

PMC 2451675. "Post-Vaccination Encephalitis". Annals of Internal Medicine. 5 (3): 711–712. 1 September 1931. doi:10.7326/0003-4819-5-3-333. PMC 5323977...

Pregnancy, Behavioral Problems, and Hyperkinetic Disorders". JAMA Network. April 2014. "FDA has reviewed possible risks of pain medicine use during pregnancy"...

of thermal conductivities List of purification methods in chemistry List of unsolved problems in chemistry Outline of biochemistry Outline of physics "What...

Thirteen Problems is a short story collection by British writer Agatha Christie, first published in the UK by Collins Crime Club in June 1932 and in the US...

function. In contrast, pathological state refers to abnormal conditions, including human diseases. The Nobel Prize in Physiology or Medicine is awarded...