TechnologyYour 'Health Age' Score Is Probably Fake
Wearables and longevity apps promise to reveal your true health age — but how accurate is biological age tracking? Here's what the science really shows.
Editorial7 min read
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TechnologyWearables and longevity apps promise to reveal your true health age — but how accurate is biological age tracking? Here's what the science really shows.
Learn how sunshine shapes climate patterns, UV index levels, health effects of sun exposure, and global brightening trends. Essential sunshine science explained.