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The Fox News Health Newsletter brings you trending and important stories about healthcare, drug developments, mental health issues, real people's triumphs over medical struggles, and more.

Is the flu vaccine less effective than hoped? Preliminary Cleveland Clinic research reveals a surprising result among vaccinated healthcare workers, but doctors caution about limitations.

Research at the University of Colorado found that 4:3 intermittent fasting resulted in greater weight loss than daily caloric restriction. Researchers discuss the findings.

Service dogs have proven effective in benefiting children with autism and their families, according to research from the University of Arizona. A mother also shares her own family's story.

In a new study, researchers found that type 2 diabetes can "rewire" the brain in ways similar to early Alzheimer's disease. Experts comment on the link between high blood sugar and cognitive decline.

In the state's second measles case of the year, a baby under 1 year old has been confirmed to have the virus. As babies cannot be vaccinated, they are highly vulnerable, health officials warn.

New research found that concentrating exercise to only a couple days, such as on the weekends, could have the same benefits as distributing fitness throughout the week. Experts react.

Vice President JD Vance has spoken and written about his mother's addiction struggles. On Monday, he led a White House celebration of her 10 years of sobriety.

A low-carb keto diet may not increase the risk of heart disease, despite elevated cholesterol levels, a new study suggests. Researchers and doctors weigh in.

RFK Jr. told The Associated Press he plans to tell the Centers for Disease Control and Prevention to stop recommending the addition of fluoride to drinking water.