|
|
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.
![A physician is performing a colonoscopy on a client and viewing the internal structures of the colon](https://biology-forums.com/gallery/47/medium_18099_24_10_12_4_35_31.jpeg)
![The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth](https://biology-forums.com/gallery/47/medium_12359_23_01_13_7_07_24.jpeg)