|
|
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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.
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.
![Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr](https://biology-forums.com/gallery/47/medium_14755_14_10_12_6_35_05_93811190.jpeg)
![(a) The relative age ranges of different dating techniques depend upon the half-life of the system u](https://biology-forums.com/gallery/47/medium_274477_04_02_15_12_24_31_205741018.jpeg)