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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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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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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

A breech birth. This image illustrates a newborn that has been delivered buttocks first. A breech birth. This image illustrates a newborn that has been delivered buttocks first.
Fibroid tumors, or leiomyomas. Fibroids develop from the uterus to form a variety of hard, round ben Fibroid tumors, or leiomyomas. Fibroids develop from the uterus to form a variety of hard, round ben
مراحل الولاده "Stages of birth" مراحل الولاده "Stages of birth"
Birth of Modern Astronomy Birth of Modern Astronomy
Birth of Modern Astronomy Birth of Modern Astronomy
Relationship between birth weight and mortality in humans Relationship between birth weight and mortality in humans
Video: Protein catabolism - deamination

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