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Food allergies are due to an immune system reaction that occurs soon after eating a certain food. They affect about 1 in 20 Americans with cases occurring at any age, but most commonly in babies and y...

Mayo Clinic Health System's Emergency Department can assess your situation immediately. There, highly skilled and expertly trained emergency staff will perform tests to see if your pain is being cause...

When training for or running a race, it's essential to give your body the fuel it needs to cross the finish line. Get the details on the right mix of fuels.

If you have dense breast tissue, you'll benefit from molecular breast imaging (MBI). La Crosse, Wisconsin, is the first and only location in the region to offer this screening tool developed at Mayo C...

After her second child was born, Alethea Clark thought she just had the baby blues and it would pass. But as time went on, the situation became more serious.

When Robert Stratton, then a Hormel executive from Austin, went into cardiac arrest while sleeping in January 2010 — two months from his 60th birthday and possible retirement — he had...

Lung cancer is the No. 1 cause of cancer deaths in the U.S. A new procedure acts like a robotic GPS system to diagnose lung cancer in its earliest stages when it's easier to treat.

While preparing for a ride, Becky Brooks had stabbing chest pain. The cause was an aortic dissection, which can be fatal if not treated right away. Read how her heart team got her back on the road.

Gary Barclay thought he had indigestion, but it turns out it was a heart attack. He survived thanks to immediate emergency care in his community, and thrives in part because of his focus on healthy ha...

Allergies occur when your immune system reacts to a foreign substance — such as pollen, bee venom or pet dander — or a food that doesn't cause a reaction in most people. Your immune syste...