Researchers say they have created an accurate, convenient test that men can use to determine the fertility of their sperm.
Researchers say they've developed a genotype-related test that can predict the onset of dementia in older people.
Researchers say a biomarker may be able to identify which children will have more trouble recovering from a serious brain injury.
Researchers in a new study say people who have had a heart attack can benefit from fish oil and other supplements. But most people don't need them.
Researchers study men who had initial heart attacks to determine if ED drugs could play a role in heart health.