With Weekly Exercise, Time Trumps Frequency

FRIDAY, July 12 (HealthDay News) -- Good news for weekend warriors: The number of times you exercise in a week isn't as important as getting the recommended 150 minutes of physical activity, a new study finds.

Murderers' Minds Seem to Differ Depending on Type of Crime

FRIDAY, July 12 (HealthDay News) -- Clear differences exist between the minds of people who kill on impulse and those who plan murders, a new study says.

Bacteria Infection Risk May Be Higher for Pregnant Women With Diabetes

FRIDAY, July 12 (HealthDay News) -- Pregnant women with diabetes are three times more likely to develop a potentially deadly hospital-acquired infection than those without diabetes, a new study finds.

West Nile Spraying Safe in Short Term: Study

THURSDAY, July 11 (HealthDay News) -- California residents apparently suffered no immediate ill health effects from aerial pesticide spraying intended to prevent the spread of West Nile virus in Sacramento County in 2005, a new study shows.

Health Tip: Avoid Bug Bites

(HealthDay News) -- Enjoying the great outdoors can make for good summer fun, but insect bites can make you itchy to come inside.

Health Tip: Protect Yourself From Medical Errors

(HealthDay News) -- Medical errors are among the top causes of death and injury, the American Academy of Family Physicians says.

Mental Decline Seen Earlier When Epilepsy Present, Study Suggests

FRIDAY, July 12 (HealthDay News) -- People with epilepsy appear to show signs of mild memory problems or Alzheimer's disease earlier than those without epilepsy, according to a new study.

Teens Say U.S. Recession Was a Blow to Their Health

FRIDAY, July 12 (HealthDay News) -- U.S. teens who were asked about their health rated it worse during the recession in 2009 and 2010 than in the period from 2001 through 2004, a new study finds.

Type 1 Diabetes Hope: Animal-to-Human Cell Transplants

FRIDAY, July 12 (HealthDay News) -- U.S. scientists who successfully transplanted insulin-producing islet cells from rats to mice say it is the first step toward animal-to-human transplant of islet cells for people with type 1 diabetes.

2 Million Deaths a Year Could Be Due to Air Pollution: Study

FRIDAY, July 12 (HealthDay News) -- Air pollution claims more than 2 million lives worldwide every year, according to a new study.

Poverty Rate Still High Among U.S. Children: Report

FRIDAY, July 12 (HealthDay News) -- Poverty rates remain high among children in the United States and continue to affect their health, education and safety, a new federal report shows.

Just Cutting Back on Smoking May Not Boost Lifespan

FRIDAY, July 12 (HealthDay News) -- In recent years, researchers have suggested that smokers can boost their lifespans by cutting down instead of quitting.

FDA Proposes New Limit for Arsenic in Apple Juice

FRIDAY, July 12 (HealthDay News) -- A new limit on the level of arsenic allowed in apple juice was proposed Friday by the U.S. Food and Drug Administration.

Health Highlights: July 12, 2013

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

FDA Approves New Drug for Advanced Lung Cancer

FRIDAY, July 12 (HealthDay News) -- A new drug to treat advanced lung cancer has been approved by the U.S. Food and Drug Administration.

Gilotrif Approved for Late-Stage Lung Cancer

FRIDAY, July 12 (HealthDay News) -- The drug Gilotrif (afatinib) has been approved by the U.S. Food and Drug Administration to treat spreading cases of non-small cell lung cancer (NSCLC) caused by certain gene mutations, the agency said Friday.