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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Cyanide works by making the human body unable to use oxygen.
Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
![Deciduous and permanent teeth. (A) The deciduous teeth, with the age of eruption given in months; (B](https://biology-forums.com/gallery/47/medium_14755_30_09_12_4_39_18_91421720.jpeg)
![Computerized spirometry is used in medical office settings as well as in hospitals and other medical ...](https://biology-forums.com/gallery/47/medium_660366_16_03_17_7_45_33_27204563.jpeg)