Not all probiotics — or gut microbiomes — are created equal. Here's how to find the right probiotic for you.
Jen Sinkler, our fitness editor, wrangles leading experts to address your most perplexing workout quandaries and conundrums.
Dairy-industry growth hormones boost milk production, but raise questions - like, what if they wind up in the milk we drink? Here's what you should know about the research into possible risks, including early-onset puberty and antibiotic resistance.