Cover Story

Hiatal hernia

When to have it repaired

When the upper part of the stomach pushes through the opening in the diaphragm that the esophagus passes through — and into the chest cavity — this is known as a hiatal hernia or hiatus hernia.

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Second Opinion

Do brain training memory apps really work?

A: There's some promising evidence that brain-training smartphone apps — with popular choices being Lumosity, BrainHQ, Elevate or Peak — may have a mild to moderate effect on improving memory and other types of thinking in older adults with age-related cognitive decline or those with mild cognitive impairment. ... Read More

Why do I need to see a dentist before a heart procedure?

A: A dental exam before surgery helps to rule out dental abscesses, dental infection or gum (periodontal) disease. This is important because bacteria can get into the bloodstream from routine activities such as tooth brushing, flossing or chewing food, and ultimately settle into surgical areas and cause complications. Clearance... Read More