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Author Question: The interaction of the sun with the ecosystems that work together inside of all the Earth's biomes ... (Read 44 times) |
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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.
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.