|
|
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.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
![The nervous system is described as having two interconnected divisions: the central nervous system (](https://biology-forums.com/gallery/47/medium_14755_07_10_12_3_19_30_9321293.jpeg)
![Many Americans perceive bullfighting as a cruel activity that should be illegal everywhere. To most ...](https://biology-forums.com/gallery/47/medium_632960_15_11_16_11_35_17_24114551.png)