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The number of sexually transmitted infections reported in the US reached an all-time high last year. Having an STI can raise a person’s risk of getting HIV or having infertility or pregnancy complications, but STIs are preventable and treatable. Knowing the facts about STIs and testing is the first step.

Semantic memory is your store of factual knowledge and the meanings of words. It also helps you recall nonverbal concepts and relationships between words and concepts. And while some aspects of memory may decline with age, semantic memory does not.

A recent study found that for most people with stable coronary artery disease, a conservative treatment strategy was just as effective as a more invasive approach involving cardiac catheterization and stent placement.

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