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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.
Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
![Mobilize the ankle using the heels of the hands. Place the heels of the hands just under the ankle ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_04_34_33082331.jpeg)
![Horizontal stroking of the abdomen. Place a hand on either side of the waist, fingers pointing away ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_14_07_331061665.jpeg)