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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

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The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

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Everyone has one nostril that is larger than the other.

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

The tundra at the base of the Torngat mountains in Labrador consists primarily of low-growing mosses The tundra at the base of the Torngat mountains in Labrador consists primarily of low-growing mosses
The work of Charles Darwin forms the foundation for modern evolutionary theory. The work of Charles Darwin forms the foundation for modern evolutionary theory.
Grieving behavior can have common expressions in different cultures. Grieving behavior can have common expressions in different cultures.
B. F. Skinner documented how operant conditioning changes behavior. B. F. Skinner documented how operant conditioning changes behavior.
Identifying recessive mutations in Drosophila using a balancer chromosome Identifying recessive mutations in Drosophila using a balancer chromosome
Video: Nucleic acid digestion - brush border enzymes, end products & transport mechanism

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