While the official festival kicks off Friday, a parade is set to run through the Las Vegas Strip tomorrow to usher in the event. With the large crowds expected, experts are emphasizing the importance of planning for security concerns, heat safety and potential medical emergencies.

The Food and Drug Administration on Tuesday announced its first authorization of fruit-flavored electronic cigarettes intended for adult smokers, a major policy shift that comes after months of appeals to President Donald Trump from the vaping industry. The decision is being opposed by health groups and parent organizations that have long pointed to flavors as the driver behind underage vaping in the U.S. But the federal action comes as teen vaping rates have dropped to a 10-year low and manufacturers have pushed the Republican administration to loosen restrictions on their products.

Two guests who stayed at Wynn Las Vegas contracted Legionnaires’ disease, a severe type of pneumonia, in separate instances.

An eye mask, earplugs, and a same-day workout can all increase your odds.

A study examining whether the Covid-19 vaccine was keeping adults from becoming sick enough to have to go to the hospital is no more.

Heart disease remains the leading cause of death in the U.S., but its impact isn’t equal across communities. African Americans are significantly more likely to die from heart disease—even though many have similar or lower cholesterol levels. So, what’s driving this gap, and what can be done to close it?