|
|
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.
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
The horizontal fraction bar was introduced by the Arabs.
Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
![Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho](https://biology-forums.com/gallery/47/medium_102911_16_06_15_7_18_43_220328.jpeg)
![In addition to common schools, thousands of female seminaries were built between 1820 and 1850, many](https://biology-forums.com/gallery/47/medium_375348_18_08_15_9_36_30_223031090.jpeg)