Heat intolerance is also called hypersensitivity to heat. Symptoms may include headache, dizziness, weakness, cramping, or nausea. This usually happens because your body isn’t regulating its ...

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.

Exercise intolerance refers to a decreased ability to engage in physical activity usually possible for a person’s age and size. It may be a symptom of many medical conditions. Exercise intolerance is ...

The American College of Allergy, Asthma & Immunology (ACAAI) reports that there is no such thing as a gluten allergy. Gluten intolerance is not an allergy. And, people may often confuse the term ...

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.

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 ...

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

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 ...

Do you get gas, bloating, or even diarrhea after you eat dairy foods? You may be lactose intolerant. This is when you can’t digest lactose, the type of sugar found in dairy products. Lactose ...

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 ...

Exercise intolerance is the reduced ability of the body to perform strenuous activities. It happens when your body's responses to exercise don't achieve age and gender-appropriate levels. It's often ...