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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.

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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

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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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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Blood Flow - Heart Chambers Blood Flow - Heart Chambers
Metabolism of vitamin B12 Metabolism of vitamin B12
For a differential white blood cell count, (A) the slide is examined under oil immersion. (B) Cells ... For a differential white blood cell count, (A) the slide is examined under oil immersion. (B) Cells ...
Avocados are a good source of pantothenic acid, dietary fiber, vitamin K Avocados are a good source of pantothenic acid, dietary fiber, vitamin K
Functions and Properties of Blood Functions and Properties of Blood
Vitamin and minerals are essential for normal body functioning. Vitamin and minerals are essential for normal body functioning.
Video: Bone elongation - processes at the epiphyseal plate

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