Karen Kaplan covers science and medical research for the Los Angeles Times. She has been a member of the science team since 2005, including 13 years as an editor. Her first decade at The Times was spent covering technology in the Business section as both a reporter and editor. She grew up in San Diego and is a graduate of MIT and Columbia University.
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In his first day as the 47th U.S. president, Donald Trump took action to reverse many of the Biden administration’s efforts to move the country toward a green-energy economy.
Robert F. Kennedy Jr. has big plans for the FDA if he’s confirmed as Secretary of Health and Human Services. FDA Commissioner Robert Califf explains why certain changes may not be that easy — or desirable.
The FDA banned the use of red dye No. 3 in foods and medicines sold in the U.S. because it has been shown to cause cancer in rats. The action highlights the limits of a federal law known as the Delaney clause.
Weather organizations from around the world agree that the planet’s average global surface temperature in 2024 could well have passed a crucial threshold meant to limit the worst effects of climate change.
Los incendios en Los Ángeles han provocado condiciones terribles en la calidad del aire en todo el condado. Aquí se indican algunas formas en las que puede protegerse y proteger a sus hijos de los efectos del humo de los incendios forestales sobre la salud.
The fires in L.A. have caused terrible air quality conditions across the county. Here are ways you can protect yourself, and your children, from the health impacts of wildfire smoke.
A new report that analyzes research on fluoride and IQ scores finds that the more fluoride a child is exposed to, the lower he or she tends to score on intelligence tests. The findings’ relevance to the U.S. isn’t clear.
U.S. Surgeon General Vivek Murthy wants Americans to know that drinking is a preventable risk factor for cancer, and he issued an advisory that calls for warning labels to be placed on alcoholic beverages.
When, where and how the H5N1 bird flu virus may evolve and its capacity to spark a pandemic is hard to predict — in part, some researchers say, because of federal restrictions on gain-of-function research.
The Food and Drug Administration plans to update its definition of “healthy” foods. Items that are high in saturated fat, sodium and added sugars no longer qualify.