Medications

How new ketamine drug helps with depression

On March 5, the Food and Drug Administration (FDA) approved the first truly new medication for major depression in decades. The drug is a nasal spray called esketamine, derived from ketamine—an anesthetic that has made ...

Alzheimer's disease & dementia

In search of an Alzheimer's cure

For decades, the field of Alzheimer's research has been dominated by a major hypothesis: that a build-up of beta amyloid (amyloid-β) in the brain causes Alzheimer's disease. However, despite years of research and billions ...

Alzheimer's disease & dementia

Trying to solve the Alzheimer's puzzle

Despite a 99 percent failure rate and another major setback recently, Alzheimer's researchers are plowing ahead with hundreds of experiments - and a boost in federal money - to try to a crack a deadly disease that has flummoxed ...

Immunology

Is it safe to wash my hands, doctor?

A battle is waging about how often and how carefully we should wash our hands. Many allergy experts say it is vital for our future health and that of our children to reduce hand washing and allow friendly microbes back into ...

Immunology

What our gut tells us about the 'hygiene hypothesis'

Over the past few decades, the healthcare community has observed an intriguing phenomenon: diseases related to the immune system—type 1 diabetes (T1D) and other autoimmune diseases, allergies, and the like—have taken ...

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