|
|
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.
Cyanide works by making the human body unable to use oxygen.
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
![GI series. (a) Upper GI series begins with a barium swallow, barium shake, or barium meal. (b) Lower](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_23_55_96931000.jpeg)
![The adolescent growth spurt in humans is seen as a “bump” in the height curve and a “spike” in the h](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_45_10_208561566.jpeg)
![The mortality rate in the United States increases with age and is lower for women than men at every ...](https://biology-forums.com/gallery/47/medium_667187_21_02_17_6_13_00_256181578.jpeg)
![Apply oil or lotion to the entire leg and hip. Slide palms from lower leg to buttocks. Inside hand ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_5_40_28_332221959.jpeg)