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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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.
About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.
![The Movius line separates regions of the world where Acheulean hand axes were made from regions wher](https://biology-forums.com/gallery/47/medium_275510_22_02_15_5_56_55_207692261.jpeg)
![When Union troops pushed toward Richmond in June of 1862, these slaves crossed the Rappahannock Rive](https://biology-forums.com/gallery/47/medium_376021_22_08_15_1_40_22_22353567.jpeg)