An experimental cholesterol drug developed by Merck & Co. has been rejected by the U.S. Food and Drug Administration.

A U.S. Centers for Disease Control and Prevention study found that only 44 percent of Americans know all five symptoms of stroke and only 38 percent know to call 911 if they think someone is having a stroke.

The analysis of 2005 data from 13 states and the District of Columbia showed that there was no improvement in the public's awareness of stroke symptoms since a similar study in 2001.

Digitek-brand digoxin heart tablets are being recalled because of a potential safety risk, says the U.S. Food and Drug Administration. Some tablets may be double the appropriate thickness and contain twice the approved level of active ingredient, United Press International reported.

The products are made by Actavis Totowa LLC and distributed by Mylan Pharmaceuticals Inc., under a "Bertek" label and by UDL Laboratories, Inc. under a "UDL" label.

(HealthDay News) -- Iron is an essential mineral that the body needs to make red blood cells.

The U.S. National Library of Medicine says these people are at greater risk for iron deficiency, and should ask their doctor about getting enough iron-rich foods:

* Menstruating women, and those with especially heavy periods.
* Women who are pregnant or who have recently had a baby.
* People who are long-distance runners.
* Vegetarians.
* People with a bleeding ulcer or intestinal bleeding disorder.
* People who donate blood often.

A U.S. Centers for Disease Control and Prevention study found that only 44 percent of Americans know all five symptoms of stroke and only 38 percent know to call 911 if they think someone is having a stroke.

The analysis of 2005 data from 13 states and the District of Columbia showed that there was no improvement in the public's awareness of stroke symptoms since a similar study in 2001.