While this type of news is nothing new to the health world, a recent study shows that smoking can harm a key lung enzyme that helps regulate blood pressure, according to the BBC.

The study was conducted by the government's Brookhaven National Laboratory and appears in the Journal of Nuclear Medicine

While this type of news is nothing new to the health world, a recent study shows that smoking can harm a key lung enzyme that helps regulate blood pressure, according to the BBC.

The study was conducted by the government's Brookhaven National Laboratory and appears in the Journal of Nuclear Medicine

Doctors say a new test that looks at immune cells in the lymph nodes may be the best way to predict whether breast cancer has spread and is likely to resurface.

Currently, the best way to predict whether breast cancer is likely to recur is to search lymph nodes near the breast for tumor cells

Doctors say a new test that looks at immune cells in the lymph nodes may be the best way to predict whether breast cancer has spread and is likely to resurface.

Currently, the best way to predict whether breast cancer is likely to recur is to search lymph nodes near the breast for tumor cells

The world's best-selling drug is no more effective than similar drugs and in some cases has worse side effects, according to a study of the cardiovascular treatment drug Lipitor.

The results come from a survey of previous studies worldwide, rather than new clinical tests on patients. It was released Saturday by Institut fuer Qualitaet und Wirtschaftslichkeit im Gesundheitswesen