|
|
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
![Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa](https://biology-forums.com/gallery/47/medium_14755_01_10_12_7_58_03_9212184.jpeg)
![When parents actively support higher education, their children achieve more in their future careers.](https://biology-forums.com/gallery/27/medium_660366_07_04_17_11_20_45_274982379.jpeg)