Health

Do fish oil supplements really boost your health?

Stroll past the supplements in any drugstore and you'll find broad claims about fish oil helping everything from heart and brain health, to joints, eyes and immune systems. But you just might be wasting your money, according ...

Medical research

A way of life that keeps cells young in one region of Costa Rica

In Nicoya, Costa Rica, where average incomes are among the nation's lowest, the average life span is 85—among the world's highest. By comparison, a person in the United States can reasonably expect to live to just 77, according ...

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Population

In biology, a population is the collection of inter-breeding organisms of a particular species; in sociology, a collection of human beings. Individuals within a population share a factor may be reduced by statistical means, but such a generalization may be too vague to imply anything. Demography is used extensively in marketing, which relates to economic units, such as retailers, to potential customers. For example, a coffee shop that wants to sell to a younger audience looks at the demographics of an area to be able to appeal to this younger audience.

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