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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.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

A specific human chromosomal landscape A specific human chromosomal landscape
Mendel’s crosses resulted in specific phenotypic ratios Mendel’s crosses resulted in specific phenotypic ratios
Activity versus specific activity Activity versus specific activity
Preparing a Urine Specimen for Microscopic Examination (for Classroom Evaluation Only) Preparing a Urine Specimen for Microscopic Examination (for Classroom Evaluation Only)
Organ-Specific Toxicity Organ-Specific Toxicity
Zinc-finger nucleases and TALENs bind and cut DNA at specific sequences Zinc-finger nucleases and TALENs bind and cut DNA at specific sequences
Video: Genetic distance between human groups

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