HEALTH TOPICS 
Protein "package" matters in a low-carb diet
Getting more protein from plants and less from red meat pays off for the heart.
Low-carb eating strategies like the Atkins diet were once so popular that they graced the covers of Newsweek and other magazines. Some experts championed these diets as the best way to lose weight. Others scorned them as the heart-clogging way to do it.
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