Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
electron microscope image of a pyralidae moth
An image of a streptococcus bacteria taken by a scanning electron microscope.
Scorpions, Spiders and Sharks: Electron-Microscope Images
Electron microscope photo of mRNA molecules being read by ribosomes.
Scanning electron micrograph of a diatom
Maternal bicoid patterning of the embryo along the anterior–posterior axis