“There is real heterogeneity in how people respond to diet,” says Alexa Barad, Ph.D., RDN, the study’s lead researcher, in a press release. She explains that dietary conversations can sometimes become overly simplified. One person may find low-carb diets always raise cholesterol, while another finds it doesn’t affect their cholesterol at all. “Our findings suggest that both experiences can be true, depending, at least in part, on the individual’s genetic makeup,” she says.
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