Mental health dangers, Alzheimer's risk factors and more top health stories

Want a weekend catchup of the top health stories? Here are 9 important health topics covered, from Olympic health concerns to dehydration warning signs and Alzheimer's risk factors.

Fox News Digital publishes an array of health pieces all week long to keep you in the know on key wellness topics: disease prevention, nutrition, medical research, health care and more. We also share personal stories of people and families overcoming great health obstacles.

Check out some of the top stories of the week in Health that you may have missed or have been meaning to check out. 

These are just a few of what's new. There are many more to see at Fox News Health.

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Dive into these nine stories. 

The FBI has stated that Thomas Matthew Crooks, former President Donald Trump's would-be assassin, was a "loner." Mental health experts explain what that means, and what people can do if they spot the warning signs. Click here to get the story.

Paris 2024 Olympic athletes are sleeping on environmentally friendly cardboard beds. Sleep experts address the repercussions this could have on competitors' physical and mental health. Click here to get the story.

Just because you're not thirsty doesn't mean you're properly hydrated. Heading into the hottest days of summer, a doctor shares some signs of dehydration that might not be on your radar. Click here to get the story.

Higher levels of body fat in the arms and belly could lead to a greater chance of developing certain neurological conditions, a study found. Researchers and doctors expain the connection. Click here to get the story.

Soon after Paris opened the 2024 Summer Olympic Games, potentially dangerous bacteria in the Seine River led to postponements of some water events. Experts explain the potential risks. Click here to get the story.

From special skin care to sleep tips and more, these health hacks could help you stay cool in the hottest months. Click here to get the story.

A 10-year study of more than 1.2 million people in southern California — an area experiencing frequent wildfire activity — found that wildfire smoke can be "particularly hazardous" for brain health. Click here to get the story.

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Doctors sound off on the health benefits of each spread. Here's what you should know about the nutritional profiles of peanut butter and jelly. Click here to get the story.

The blood test, which can be implemented during routine doctors' appointments, has been shown to detect the disease even before the person begins experiencing symptoms. Click here to get the story.