Smoke from wildfires driving you mad? You’re not alone, a new study says. Short-term exposure to air choked with wildfire smoke increases people’s risk of mental health problems, according to findings published April 4 in JAMA Network Open. Hospital emergency rooms experience surges in patients with mental health conditions on days when smoke pollution is…  read on >  read on >

A notorious hospital-associated infection has been spreading through hospitals much more readily than people suspected, a new study says. The bacterium Clostridium difficile – commonly called C. diff – spreads within intensive care units more than three times as much as previously thought, researchers reported in JAMA Network Open. C. diff can spread covertly from…  read on >  read on >

Ozone air pollution increases the risk of asthma among preschoolers and kindergarteners, a new study says. Relatively small increases in ozone smog in a child’s first two years of life is associated with an increased risk of asthma and wheeze at 4 to 6 years of age, researchers reported April 2 in JAMA Network Open.…  read on >  read on >

The shingles vaccine can do more than protect seniors from painful, blistering rashes. It also appears to protect older folks from dementia, researchers say. Seniors who got the shingles vaccine when it became available in the U.K. were 20% less likely to develop dementia than those who did not take the jab, according to research…  read on >  read on >

The inability to pay for health care has reached a new high in the United States, a new study says. More than one-third of Americans — an estimated 91 million people — say they couldn’t afford to access quality health care if they needed it today, according to the latest West Health-Gallup Healthcare Affordability Index.…  read on >  read on >

Insomnia and vertigo are health conditions so well-known that movies have been named after them. But only a quarter of Americans know about a condition that occurs even more often than vertigo or insomnia, called dysphagia, a new study says. Dysphagia is a condition in which people have trouble swallowing, due to nerve, muscle or…  read on >  read on >