Not all probiotics — or gut microbiomes — are created equal. Here's how to find the right probiotic for you.
For decades, we’ve been a culture obsessed with avoiding germs, convinced that getting dirty is dangerous. But some health professionals insist that exposure to a range of bacteria is not only safe, it’s essential to human health and immunity.
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.