Want your asthma to improve? Cultivate a positive outlook, researchers say. An asthma patient’s level of optimism or pessimism can influence how their symptoms progress, a new study says. People who expect their asthma and health to get worse wind up reporting more symptoms over time, researchers reported recently in the journal Health Expectations. This…  read on >  read on >

More than 14 million children and adults will die from preventable causes during the next five years as a result of U.S. foreign aid cuts, a new study projects. Programs supported by the U.S. Agency for International Development (USAID) prevented 91 million deaths between 2001 and 2021 in low- and middle-income countries, researchers report in…  read on >  read on >

Electric cars are increasingly common due to their potential environmental benefits, but a new study suggests that high levels of pollutants may cluster around fast-charging stations. Levels of fine particulate matter (PM2.5) in the air near 50 electric vehicle fast-charging stations across Los Angeles County were significantly higher than those measured at urban sites used…  read on >  read on >