Lactose intolerance is a condition in which a person is unable to digest the lactose, or sugar, that is present in milk. It occurs when the body does not have enough of the intestinal enzyme lactase.

If you are lactose intolerant, you typically experience digestive symptoms, including bloating, diarrhea, and other symptoms, after consuming lactose. Lactose is a type of sugar found naturally in the ...

No matter how good they taste, an ice cream sundae or a big slice of watermelon might send some people with Irritable Bowel Syndrome (IBS) running to the bathroom or clutching their stomach in pain.

Alcohol intolerance is a genetic condition that prevents the body from being able to break down alcohol effectively. Genetic testing can confirm whether a person has the condition. A person can test ...

After childhood, about two-thirds of the world’s human population loses the ability to digest milk. As far as we know, 100% of nonhuman mammals also lose this ability after weaning. The ongoing ...

You're madly in love with cheese, but your body? Not so much. In fact, every time you chow down on your fave fromage, the subsequent bloating and cramps make you wonder if your ass is about to explode ...

Heat intolerance happens when your body has trouble regulating its body temperature. Excessive sweating and fatigue are common symptoms of heat intolerance. Drinking plenty of fluids and staying ...

Alcohol intolerance is the medical term for an immediate and unpleasant reaction to consuming alcohol. Common symptoms include skin flushing, nasal congestion, and headaches. Alcohol intolerance is an ...

Holistic nutritionists are taking to social media to spread the word about histamine intolerance (HIT). This is a somewhat controversial proposed diagnosis in which a person may have difficulty ...

High blood pressure and glucose intolerance are among the most dangerous cardiometabolic risk factors for adults with ...

If you’ve treated yourself to any kind of meal out recently, you may have noted that you’re asked – before even placing an order – whether or not you have any allergies or intolerances. Thorough?

Millions of Americans can’t digest a certain sugar in milk and milk products called lactose. If you’re one of them, you have lactose intolerance. The condition isn’t harmful, but it can be ...