Health Tip: Choose Healthy Carbohydrates

(HealthDay News) -- The foods you eat contribute to your overall mood and appetite, the Cleveland Clinic advises.

Health Tip: Why You May Have Low Blood Pressure

(HealthDay News) -- While high blood pressure gets all of the attention as a risk factor for heart attack and stroke, blood pressure that's much lower than average may be cause for concern, too.

Low-Intensity Exercise, Drug Combo Can Help Parkinson's Patients, Studies Show

TUESDAY, April 12 (HealthDay News) -- The difficulties with walking, movement and coordination that Parkinson's patients struggle with might be partially offset by a new drug combination and a different approach to exercise, researchers suggest.

Brisk Walk Can Boost Blood Flow to the Brain: Report

TUESDAY, April 12 (HealthDay News) -- Moderate aerobic exercise helps boost blood flow to the brain in older women, new research reveals.

Japanese Radiation Called No Threat to North American Fish Fans

TUESDAY, April 12 (HealthDay News) -- In their furious effort to stabilize the nuclear reactors damaged by last month's earthquake and tsunami, Japanese workers have released thousands of gallons of water contaminated by radiation into the sea, stirring worries that seafood consumed on this side of the Pacific could be affected.

Driver Errors Explain Most Teen Crashes, Experts Say

TUESDAY, April 12 (HealthDay) -- Driver error accounts for the majority of U.S. motor vehicle crashes involving teenagers, a new study finds.

What Happens When Kids Born Blind Gain Sight?

TUESDAY, April 12 (HealthDay News) -- When children who were blind from birth were able to see for the first time, they weren't immediately able to make the connection between what they were seeing and what they were feeling with their hands, a new study reveals.

Could Dogs' DNA Give Clues to Human Lymphoma?

TUESDAY, April 12 (HealthDay News) -- Scientists are rearranging the genetic information of certain dogs to make the coding human-like as a way to learn more about the genetic causes in people of non-Hodgkin's lymphoma, a cancer that begins in the cells of the immune system.

U.S. Reports Drop in AIDS-Related Cancers

TUESDAY, April 12 (HealthDay News) -- Cases of AIDS-related cancers have decreased among people with HIV in the United States, but other types of cancer are on the rise in this group, a new study has found.

Extended HPV Vaccine Schedule Seems Effective

TUESDAY, April 12 (HealthDay News) -- Giving doses of human papillomavirus (HPV) vaccine over a longer-than-normal period of time may prove an effective way to make the vaccine available to more females in poorer nations, a new study suggests.

Male Victims of Domestic Abuse May Show Signs of PTSD

TUESDAY, April 12 (HealthDay News) -- Men who are victims of domestic abuse by their female partners can develop psychological trauma, such as post-traumatic stress disorder (PTSD), depression and suicidal thoughts, new research finds.

Fish Oil Promising Against Postpartum Depression in Small Trial

TUESDAY, April 12 (HealthDay News) -- Consuming omega-3 fatty acids in fish oil capsules during pregnancy may reduce a woman's risk of postpartum depression, according to a new study.

Scarring of Transplanted Kidneys Less of a Problem Today

TUESDAY, April 12 (HealthDay News) -- Progressive scar damage to transplanted kidneys may be less common and less severe than reported in previous research, says a new study.

Genital Herpes Can Be Spread When Lesions Aren't Present: Study

TUESDAY, April 12 (HealthDay News) -- People with genital herpes can transmit the virus to partners even when they do not have lesions, new research shows.

Clues to Why Rheumatoid Arthritis Drug Humira Fails Some Patients

TUESDAY, April 12 (HealthDay News) -- In a new study, close to a third of patients taking the arthritis drug Humira developed an immune system reaction to it that rendered it ineffective.

Health Highlights: April 12, 2011

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

An Apple a Day May Help Keep Heart Disease Away

TUESDAY, April 12 (HealthDay News) -- Eating apples every day may be good for your cardiovascular health, new research suggests.

Many Smokers Still Deceived by Cigarette Labeling

TUESDAY, April 12 (HealthDay News) -- Many smokers in western nations still incorrectly believe that certain types of cigarettes, such as "mild" and "low tar" brands, are less of a health risk than others, a new study shows.