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BRCA1 on chromosome 17 and BRCA2 on chromosome 13 have been linked to a susceptibility for

All of the following are normative, age-related changes in vision except

When a person accurately remembers negative high-arousal items, this corresponds to increased activation of the

The changing balance of T-lymphocytes may help explain why older adults need to be immunized         against specific diseases such as influenza.

Why is osteoporosis more common in women than in men?

Both osteoarthritis and rheumatoid arthritis have

For her mother’s 60th birthday, Paola is thinking of what to buy for a gift. According to the findings of a large-scale survey conducted by The National Geographic Society, which of the following would be the best choice for her mother’s gift?

As we get older, our chances of contracting      goes down, while our chances of contracting    goes up.

Research on muscle development has shown that

If medications for rheumatoid arthritis do not provide relief from the symptoms, surgical interventions such as to totally replace the joint may be considered.