Smoggy Air May Spawn Weaker Sperm:
Sunrise, Sunset: Ancient Rhythms Still Dictate Human Life:
Most U.S. Parents Can't Find Good Childcare: Survey:
What It Takes to Get Teens Moving:
Breathing Dirty Air May Raise Miscarriage Risk:
U.S. May Still Benefit From Climate Accord:
Your Blood Type May Determine How Smog Affects Your Heart:
Smog May Harm Your Bones, Too:
Climate Change May Bring 'Browner' Waters, More Disease:
Warming Oceans Could Breed More Damaging Hurricanes: Larger, more intense storms will likely cost more to recover from, scientists predict
Controversial Chemical Can Linger on Your Toothbrush: Triclosan is still allowed in toothpaste in U.S., but not soaps and wipes
Californians Tainted by 'Roundup' Herbicide Chemical: Levels in urine increasing, but health effects remain unclear
Ditch the Throw Rugs, Seniors!: Hip fractures are more likely to follow indoor falls in warm weather, study finds
Tighter Rules on Arsenic in Water Saved Lives: Study: EPA moves likely cut cases of lung and bladder cancer
Pollution Tied to 9 Million Deaths Worldwide in 2015: Dirty air and water aren't the only culprits, new report says
Exercising With Asthma or Allergies: Smart steps to stay safe
Firefighters Exposed to Carcinogens Through the Skin: Immediate decontamination might help reduce harms of contact with hazardous chemicals, study suggests
2 Million Americans May Have Arsenic in Their Well Water: Naturally occurring element can raise risk of cancers, other health problems
What Are Today's Americans Afraid Of?: Many more worried about environmental dangers since last Presidential election
Sesame Street's Muppets to Help Kids Cope With Trauma:
Allergy Relief Do's and Don'ts: Strategies to stifle sniffles
Germs May Be Valuable Passengers on Mission to Mars: Astronauts surrounded by too few species of microbes could face health risks, study suggests
Carbon Monoxide a Potential Threat From Gas-Powered Generators: Don't use these devices in your home, garage or any enclosed space
Don't Let the Tick Stick: Dermatology expert offers advice on tick removal and avoiding them in the first place
How Would Your Family Weather a Disaster?: Failure to plan is the number one mistake