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Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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The longest a person has survived after a heart transplant is 24 years.

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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Excessive alcohol use costs the country approximately $235 billion every year.

An overview of the citric acid cycle. An overview of the citric acid cycle.
A closer look at the citric acid cycle A closer look at the citric acid cycle
The anterior pituitary is sometimes called the master gland because it secretes many hormones that r The anterior pituitary is sometimes called the master gland because it secretes many hormones that r
The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ... The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ...
The carbon cycle "دورة الكربون" The carbon cycle "دورة الكربون"
Antineoplastic drug and the cell cycle Antineoplastic drug and the cell cycle
Video: Methods that regulate pH

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