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Did you know?
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Did you know?
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 blood smear. The smear reveals representative cells from each formed element group: red blood cell](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_18_43_100341996.jpeg)
![skeletal muscle consists of a group of fibers held together by connective tissue. It is enclosed in ...](https://biology-forums.com/gallery/47/medium_665046_01_03_17_9_12_00_261871967.jpeg)