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Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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The RecA strand exchange reaction as shown from single-molecule studies The RecA strand exchange reaction as shown from single-molecule studies
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Two examples of a single crossover between two nonsister chromatids Two examples of a single crossover between two nonsister chromatids
Example of a single-nucleotide polymorphism (SNP) Example of a single-nucleotide polymorphism (SNP)
Video: Structures that affect circulation - kidneys, blood volume and venous tone

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