|
|
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.
Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.
During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
![Layers are deposited parallel to Earth’s surface. Younger layers are deposited on top of older layer](https://biology-forums.com/gallery/47/medium_274477_04_02_15_12_24_28_205691492.jpeg)
![Meta-analysis of 18 studies shows that aerobic exercise causes better performance in older adults on](https://biology-forums.com/gallery/47/medium_6_31_05_15_8_20_44_21977534.jpeg)
![In many industrialized nations, men are having children at older ages, raising the possibility of ...](https://biology-forums.com/gallery/47/medium_637842_18_01_17_5_49_29_244891027.png)