|
|
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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.
![A 2-fold serial dilution showing the result of moving 0.2 ml of green food coloring successively ...](https://biology-forums.com/gallery/31/medium_398119_12_07_17_5_16_11_31627276.jpeg)
![Lightly squeeze along each finger applying pressure first near the knuckle and then moving along the ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_14_05_330972124.jpeg)