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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
![Measures of ocean chlorophyll-a concentrations from part of Atlantic Canada in (a) January 2006, and](https://biology-forums.com/gallery/47/medium_33_19_02_12_5_44_56_20741573.jpeg)
![This chart shows the various lines of responsibility and how they differ in presidential and parliam](https://biology-forums.com/gallery/47/medium_262797_12_08_15_1_37_18_221851910.png)