|
|
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
In 1864, the first barbiturate (barbituric acid) was synthesized.
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
![An offset screwdriver is used to install or remove fasteners that do not have enough space above to ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_36_02_294141048.png)
![Press the sides of the head with the palms. Fingertips meet on the forehead and palms lay along the ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_13_07_33142667.jpeg)