'Loner' telltale signs, plus Alzheimer's announcements and Olympics safety concerns And more of the top Fox News Health stories and videos from the past week By Fox News Staff Fox News Published July 31, 2024 6:56pm EDT | Updated July 31, 2024 7:07pm EDT

'Loner' telltale signs, plus Alzheimer's announcements and Olympics safety concerns And more of the top Fox News Health stories and videos from the past week By Fox News Staff Fox News Published July 31, 2024 6:56pm EDT | Updated July 31, 2024 7:07pm EDT https://www.foxnews.com/health/loner-telltale-signs-alzheimers-announcements-olympics-safety-concerns