Tiffany O'Callaghan

Tiffany O'Callaghan has been a contributing health and science reporter for TIME and TIME.com since August 2007. She is based in Seattle.

Articles from Contributor

Relationship anxiety may cause more than heartache

A study conducted by researchers at Canada’s Acadia University finds that insecurity and anxiety about a relationship may not only generate heart ache, but also heart attacks. In a study of more than 5,600 people between the ages of 18 to 60, researchers found that those who said they felt insecure in relationships were more likely to …

Analyzing baby sounds to detect autism early?

A new technique that identifies early differences in vocal development between children with an autism spectrum disorder or language delay and those developing on a normal trajectory could give pediatricians and other caregivers a tool for earlier detection of autism, and as a result facilitate earlier intervention. To distinguish the …

Why some women hobble without heels?

Women who routinely wear high heels may feel pain when they don flats because regularly walking around with their heels elevated can significantly change leg muscle structure — causing the calf muscles to shorten and tendons to stiffen — according to a study published online today in The Journal of Experimental Biology.

For the …

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