|
|
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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.
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.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
![A typical calibration code sticker on the case of a controller. The information on the sticker is ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_31_24_2938944.png)
![The driver information display on a Chevrolet Impala with a 5.3 liter V-8 equipped with active fuel ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_3_43_30_29653830.png)