You’ve no doubt heard a peanut allergy horror story sometime in your life. Maybe a friend’s friend was on a plane that needed to make an emergency landing for an allergy sufferer, or someone you knew had an allergic reaction from kissing their romantic partner. We now have things like epi-pens to help, but of course…

For years, parents have been told to withhold peanut products from their children until the age of three. In a total flip-flop, the NIH has issued new guidelines recommending that babies be fed peanuts early in their lives to prevent the onset of dangerous allergies.

A wearable patch used to treat peanut allergies has shown tremendous promise in a recently concluded clinical trial, performing particularly well among young children.

Mylan Pharmaceuticals spent the past decade raising the price of the EpiPen from $57 to $600. Why? Because they could. The company didn’t have any real competition. And now one competitor, Teva Pharmaceuticals, a company that has tried and failed to bring a generic EpiPen to market before, says that their product…

For years, scientists have known that growing up on a farm protects children from asthma, but the reasons for this weren’t entirely clear. A fascinating comparative analysis of Amish and Hutterite farming communities has finally uncovered the specific aspects of farm life that are responsible for this built-in immune…

Parents, you can stop fretting about your child’s disgusting habits. An analysis of more than 1,000 kids between the ages of 5 and 11 reveals that nail-biters and thumb-suckers are less likely to develop allergic sensitivities later on in life.

A 46-year-old man who underwent a bone marrow transplant has suddenly contracted an allergy to kiwi fruit. Scientists say it’s the first evidence that allergies can be carried to a patient from a donor’s stem cells.

Allergies such as peanut allergy and hay fever make millions of us miserable, but scientists aren’t even sure why they exist. One master immunologist is offering up a controversial answer.

Allergies such as peanut allergy and hay fever make millions of us miserable, but scientists aren’t even sure why they exist. Carl Zimmer talks to a master immunologist with a controversial answer.

For years, parents have been told to withhold peanuts from their children until the age of three, to prevent the onset of dangerous peanut allergies. A landmark study is now throwing this conventional wisdom on its head, instead suggesting that most peanut allergies can be staved off by introducing peanuts to…

The slow loris is one of the few venomous mammals on earth, and the only venomous primate. It has one of the oddest venom-creation methods in the world. And it kills you much the same way your cat would (if he could).

Do you own a hypoallergenic dog? I thought I did, too* – but surprise! Apparently they don't exist.

Food allergies have risen dramatically in recent years, leading scientists to speculate about possible environmental factors. A recent study suggests that antibiotics may be destroying a key gut microbe — one that could be reintroduced into the body, to restore proper immune function.

Scientists at the University of Iowa have developed a vaccine that combats dust mite allergies by naturally switching off the body's immune response. It's welcome news for the millions of people who suffer from mite-induced breathing difficulties.

Letting a swarm of hungry bed bugs feed on your arm sounds squirm-inducingly unpleasant, but this entomologist decided to have a little fun with it. He gave himself a temporary tattoo while giving his bed bugs a nice big meal.

It's allergy season, and if you've got 'em, you're dying right now. Honeywell's new Bluetooth-enabled Air Purifier talks uses your smartphone's internet connection to monitor allergy reports and help you keep those sniffles under control.

To a nut-allergic person, a peanut is a little grenade of discomfort and danger. So a small study published this week, showing that kids with severe peanut allergies can increase their tolerance through gradual exposure, is great news for allergic children and their caretakers. Just please, don't try this technique at…

It's been said that a good way to keep children from developing nut allergies is for moms to avoid peanuts, tree nuts, and related products during pregnancy. Turns out that's nonsense. A long-running health investigation involving over 8,000 kids now suggests you can scarf as many nuts while you're pregnant as you…