|
|
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
In 1864, the first barbiturate (barbituric acid) was synthesized.