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Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Tiger quoll at a wildlife sanctuary area at Queens Park, Ipswich, Queenland, Australia Tiger quoll at a wildlife sanctuary area at Queens Park, Ipswich, Queenland, Australia
Summation of Heart Sounds, Variable S1 Summation of Heart Sounds, Variable S1
Internal view of the heart with aorta, vena cava, and pulmonary arteries and veins. Internal view of the heart with aorta, vena cava, and pulmonary arteries and veins.
Open heart surgery Open heart surgery
Nurising history for heart assessment Nurising history for heart assessment
Medical assistant working in a front office area of a medical office. Medical assistant working in a front office area of a medical office.
Video: Magnetic resonance imaging (MRI)

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