|
|
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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.
![James Madison was a key figure at the Constitutional Convention of 1787 in Philadelphia. He not only](https://biology-forums.com/gallery/47/medium_374628_16_08_15_9_52_07_22253798.jpeg)
![“To confess my weakness,” Hamilton wrote when he was only fourteen, “my ambition is prevalent.” This](https://biology-forums.com/gallery/47/medium_374628_16_08_15_9_52_07_222541318.jpeg)