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

Surge in hospitalizations for prescription drug abuse

New data from the Substance Abuse and Mental Health Services Administration (SAMHSA) shows that the number of hospital admissions for prescription drug-related substance abuse increased 400% between 1998 and 2008. The latest figures add weight to concerns about surging prescription drug abuse in the U.S., and were characterized by Gil …

FTC: Nestlé to drop deceptive health claims

The U.S. Federal Trade Commission (FTC) announced today that Nestlé will withdraw unsubstantiated advertising claims about the health benefits of a boxed drink for children. In the first case to challenge marketing claims made about probiotics — also known as “friendly bacteria” — the FTC questioned the validity of Nestlé ads which …

Many doctors don’t feel obliged to report incompetence

More than one in three American physicians say that they do not always feel a responsibility to report colleagues who are impaired or incompetent, according to a new report from researchers at the Mongan Institute for Health Policy at Massachusetts General Hospital. The findings, published in the July 14 issue of the Journal of the …

What does head size have to do with Alzheimer’s?

According to a new study published in the July 13 issue of the journal Neurology, Alzheimer’s patients with larger heads may experience a slower progression of cognitive decline symptoms, possibly because they have more of what researchers call “brain reserve” — or the ability to adjust to changes within the brain. The theory is based …

Study on genetics of longevity comes under scrutiny

A study published in the prestigious journal Science earlier this month suggesting that genes may hold a key for living to be 100 or older has since come under criticism from experts in the field of genetics. The study, led by Paola Sebastiani and Dr. Thomas Perls at the Boston University School of Public Health and School of Medicine, …

Tylenol recall expands, again

As a follow-up to an initial recall in January that yanked several Tylenol products off shelves after reports came in about a bizarre moldy smell — ultimately linked to exposure to a chemical in wood pallets at a storehouse — the McNeil Consumer Healthcare division of Johnson & Johnson today announced the recall of an additional 21 …

Using word association games to predict break-ups?

For psychologists conducting relationship studies, it can sometimes be tricky getting a straight answer. If you ask a participant how happy he is in a relationship, sometimes he may be in denial, just not want to open up to you (ostensibly a complete stranger holding a clipboard), or may simply not truly know himself. So, to circumvent …

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