|
|
Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
The human body produces and destroys 15 million blood cells every second.
![Evidence of regional continuity: (a) The anatomically modern Willandra Lakes Hominid 50 calvaria fro](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_03_14_20830253.jpeg)
![Common skin signs are often evidence of an illness or disorder. A wheal is a localized, evanescent ...](https://biology-forums.com/gallery/47/medium_665046_01_03_17_6_26_24_261321290.jpeg)