At 38, the biology of some adults was 20 years older, study finds

Findings might help reassure concerned patients

But complications or maternal death during delivery are still rare, experts say

At 38, the biology of some adults was 20 years older, study finds

Study found having just one confidant helped teens find ways to cope with problems

Study suggests health choices still make a difference in old age

Study found getting what amounted to lower doses per pound of body weight meant poorer outcomes

Study found counties with higher screening, detection rates had no significant difference in deaths

Doing so can lead to dangerous internal bleeding, experts say

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