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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
![Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that](https://biology-forums.com/gallery/47/medium_6_31_05_15_8_20_41_219701596.jpeg)
![Results from sequential study of two cohorts tested at three ages and at three different points in t](https://biology-forums.com/gallery/47/medium_6_31_05_15_8_20_43_219751572.jpeg)