Health
The latest news in medicine and wellness: From findings on heart disease, to facts about fitness, to breakthroughs on COVID-19.
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Why you can’t trust the calorie count on food labels
![How much chocolate would you have to eat for it to kill you?](https://www.popsci.com/wp-content/uploads/2019/03/18/O3LZ5Y4H7MQG4WJTXZJL6F5HGY.jpg?w=675)
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How much chocolate would you have to eat for it to kill you?
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Climate Change
Air pollution in US subway stations is disturbingly high
![Strong woman lifting weights and a barbell at the gym](https://www.popsci.com/wp-content/uploads/2019/01/15/4XUL5764GG5HF6MN4C335UU6AI.jpg?w=600)
Fitness & Exercise
A complete guide to vegan muscle building
![eggs](https://www.popsci.com/wp-content/uploads/2019/01/03/PFPA7ZFIUNQSK4I5XK327HCWKQ.jpg?w=800)
Fitness & Exercise
Here’s how much protein you really need
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