|
|
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
There are more nerve cells in one human brain than there are stars in the Milky Way.
The familiar sounds of your heart are made by the heart's valves as they open and close.
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.
Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
![When using an interpreter, the nurse should pose questions directly to the patient, not the interpre](https://biology-forums.com/gallery/47/medium_2137_17_05_12_2_07_04.jpeg)
![Primatologist Volker Sommer and his colleagues showed that langur infanticide had adaptive value and](https://biology-forums.com/gallery/47/medium_269691_26_01_15_5_55_25_20447565.jpeg)
![An oral contraceptive showing the daily doses and the different formulation taken in the last 7 days ...](https://biology-forums.com/gallery/28/medium_482573_29_04_17_8_07_16_288311788.jpeg)