Stories by Melinda Wenner Moyer

Research suggests that the mental fog may be a matter of expectations

A debate rages over whether doctors should recognize this common childhood condition as a distinct disorder

Scientists have no shortage of ideas about how to stop tick-borne illnesses. What is holding them back?

Infants learn about the world by paying more attention to things that surprise them

A critique of the diet guru's views on high-protein diets, followed by a response from Ornish and a reply from the author

The idea that free radicals cause aging and that vitamins might preserve our youth is now in doubt

Are cholesterol-lowering drugs causing dementialike symptoms in some patients?

Negative reactions to positive experiences help to keep our emotions on an even keel

Evidence is mounting that intestinal microbes exacerbate or perhaps even cause some of autism's symptoms

Why turning down the thermostat could help win the battle of the bulge

After decades of study, the evidence for whether supplements actually improve health remains polarized and incomplete

A trove of billions of tweets will be a research boon and an ethical dilemma

The scientific evidence is scant for many of the practice's widely touted benefits

A common product of cholesterol may fuel breast tumor growth

When you hear about a new finding regarding a risky chemical, consider these often unreported factors

Free, imaginative play is crucial for normal social, emotional and cognitive development. It makes us better adjusted, smarter and less stressed

Harm done, especially if the act was intentional, changes our perception of the injured party

What we could learn by monitoring sleep patterns of the entire world

A meta-analysis found that carrying extra pounds becomes less risky with age, but two new studies dispute the “obesity paradox”

Often synonymous with good health, whole grains may lack heart-healthy fiber—in fact, some processed forms increase cardiovascular risks

Addicts of either sex struggle with different situations that may trigger a relapse

Foreign chemicals may prevent the brain from disposing of its own toxic waste

Blood vessels break down if certain glial cells are not present