(Tara Law/ Time) — You might have seen it in your neighborhood health store, your local spa or your corner coffee shop. CBD, aka cannabidiol, is getting mixed into cocktails, lotions and drinks.

But what is CBD, exactly? Does it have real health benefits? Is it even safe?

To get a better understanding of the compound, TIME spoke to two scientists  …

(Amanda MacMillan/ Health.com) — Over the past 40 years, doctors have gotten a lot better at treating heart disease. In the 1960s, it wasn’t unusual for adults to die or become severely disabled from heart attacks in only their fifth or sixth decade of life. And while heart disease is still the number-one killer in the United States, it’s  …

(Jon Christian/ Futurity) —Influenza kills as many as 650,000 people per year and sickens many more — and even if you get your annual vaccine, you can still catch a flu strain it doesn’t protect against.

That’s why doctors are excited about a new experimental treatment that could provide broad protection against many strains of the flu,  …

(Steven Reinberg/ HealthDay ) — Millions of Americans are left drowsy each day by sleep apnea, and new research suggests it might also raise their odds for Alzheimer’s disease.

It isn’t clear, however, if sleep apnea causes the buildup of “tau” protein tangles in the brain that are a marker for Alzheimer’s,  …

(Rachel DeSantis/ People) —Sweet dreams, new parents — if you can.

A new study claims that first-time moms’ and dads’ sleep schedules will take up to six years to return to normal following the birth of their child.

The study was published Mondaythis link opens in a new tab and comes from researchers at the University of Warwick, who tracked  …

(Kristin Houser/ Futurism) — More than two decades ago, a doctor published a study claiming that vaccines can cause autism.

Despite the fact that that study was later completely discredited and debunked — and the doctor behind it barred from practicing medicine — the belief continues to persist throughout society.

Now, a massive study  …

(Relax News) — New U.K. research has found that women who work long hours may have a higher risk of depression, and working weekends may up the risk for both men and women.

Carried out by researchers at University College London, the Department of Research and Policy at Age U.K., and Queen Mary University of London, the new study looked at  …

(Tara Law) — The calorie content at the most popular U.S. fast food restaurants has shot up over the past three decades, according to a new study.

The study, published this week in the Journal of the Academy of Nutrition and Dietetics, compared food at 10 fast food restaurants: Arby’s, Burger King, Carl’s Jr, Dairy Queen, Hardee’s, Jack  …

(Mark Hilliard/ The Irish Times) — Watching a lot of television in later life can damage memory of words and language, a new study has found.

The research, conducted at University College London (UCL) and published in the Scientific Reports journal, examined the effects of television viewing among 3,662 adults aged 50 and over.  …

(Jill Johnson/ Glamour) — The sun had barely risen when the ringing of the phone sliced through my head like a circular saw. I struggled to open my heavy lids, instinctively jamming the heel of my hand into my right eye socket, trying to knock out the searing pain. It was my usual desperate attempt to block the assault of light from the window—a  …