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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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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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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

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Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Cyanobacteria of the (a) genus Synechococcus form (b) mats that line hot springs around the world. Cyanobacteria of the (a) genus Synechococcus form (b) mats that line hot springs around the world.
Drug development time line. Drug development time line.
A new drug development time line with the four phases of drug approval. A new drug development time line with the four phases of drug approval.
Bright-Line Spectra of Hydrogen and Helium Bright-Line Spectra of Hydrogen and Helium
Temperature Regulation by the Hypothalamus Temperature Regulation by the Hypothalamus
An overview of gene regulation mechanisms in eukaryotes An overview of gene regulation mechanisms in eukaryotes
Video: Definitions of stroke volume, preload definition & Factors influencing stroke volume

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