Doctors typically recommend that people with heart issues like A-Fib avoid caffeine out of fear that it will trigger symptoms. But a study by UC San Francisco and the University of Adelaid has concluded that drinking a cup of caffeinated coffee a day reduced A-Fib by 39%.

A husband’s optimism and confidence may play a crucial, if often unseen, role in helping babies arrive healthy and on time, according to a study by University of California, Merced researchers. When married fathers reported higher levels of resilience, their partners showed lower levels of inflammation during pregnancy and carried their babies longer.

A mismatch between two common tests for kidney function may indicate a higher risk for kidney failure, heart disease, and death, a new study shows.