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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Large numbers of plant species can flower at once in this grassland in Kinsella, Alberta. Large numbers of plant species can flower at once in this grassland in Kinsella, Alberta.
Two species of granivorous rodents living in the Chihuahuan Desert: (a) the kangaroo rat, Dipodomys Two species of granivorous rodents living in the Chihuahuan Desert: (a) the kangaroo rat, Dipodomys
20 weeks old human fetus 20 weeks old human fetus
Primary visual processing areas (blue) in (a) human (lateral and mesial views) and (b) chimpanzee. Primary visual processing areas (blue) in (a) human (lateral and mesial views) and (b) chimpanzee.
Human Genome Variation Human Genome Variation
Structural comparison of human blood vessels and the direction of blood flow through them Structural comparison of human blood vessels and the direction of blood flow through them
Video: Type of Transport - Active and Passive Processes

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