We found that the prevalence of depression was 40 percent in women age 60 years or younger, 21 percent in women older than 60, 22 percent in men 60 or younger and 15 percent in men older than 60.

Not all patients become depressed after having a heart attack. Depression should not be considered a normal reaction after a heart attack. Clinicians and patients should be aware that depression is an important risk factor for adverse outcomes after a heart attack.

Depression is common among patients with heart attacks. About 22 percent of all heart attack patients are depressed.

The number of women over age 70 in clinical trials (testing chemotherapy regimens) is limited. And so it is difficult to draw inferences.

The number of women over age 70 in clinical trials [testing chemotherapy regimens] is limited. And so it is difficult to draw inferences.

Depression is estimated to affect up to 5 percent of youths under age 18, at least 15 to 20 percent of Americans over age 65, and up to 20 percent of new mothers.