|
|
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.
Everyone has one nostril that is larger than the other.
Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
![Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do](https://biology-forums.com/gallery/47/medium_12359_16_06_12_7_20_16.jpeg)
![Field research on free-living primates allows primatologists to study patterns of behavior in the se](https://biology-forums.com/gallery/47/medium_269691_26_01_15_5_55_23_204322151.jpeg)