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

For heart attack, prevention strategies seem to work

A large scale study of Kaiser Permanente health policy holders in Northern California shows that hospital admissions for heart attack dropped significantly between 1999 and 2008 — coinciding with the implementation of public health efforts such as smoking bans, lowered target levels for blood pressure and cholesterol and more

Infection control lapses at outpatient surgery centers

Infection control is often inconsistent and ill-enforced at outpatient surgical centers, according to a new study conducted by researchers at the Centers for Disease Control and Prevention. For the study, researchers examined the results of inspections of 68 different ambulatory surgical centers in three different U.S. states between

Designing a low-allergy peanut?

In a project sponsored by the U.S. Department of Agriculture, researchers are working to develop a new breed of “low allergy” peanut. By cross breeding existing types of peanuts, researchers are working to develop a new variety of peanut that lacks the three proteins associated with most peanut allergies, the Telegraph reports. To

Youth hockey: checking associated with higher injury risk

Recent increases in the number of youth hockey players suffering concussions after collisions on the ice prompted a team of Canadian researchers to investigate how body-checking rules in Pee Wee hockey leagues factors into injury incidence. In a study of more than 2,000 youth hockey players from Alberta and Quebec — roughly half of

Routine bedtimes linked to improved child development

Young children who have consistent, early bedtimes may perform better academically than peers who get less routine rest, according to new research presented this week at the annual meeting of the Associated Professional Sleep Societies in San Antonio. The analysis, conducted by investigators at the independent, non-profit research

For many soldiers, mental trauma lingers at home

Roughly one in ten soldiers returning from Iraq faces ongoing struggles due to post traumatic stress disorder (PTSD), depression and other conditions, according to a new study published in the June issue of the Archives of Psychiatry. In the study, a team of researchers led by Dr. Jeffrey L. Thomas, chief of military psychiatry at the

When kids benefit from public smoking bans

A study conducted by researchers at the Harvard School of Public Health finds that children and adolescents who don’t live with smokers experience substantial health benefits from no smoking laws. Yet, perhaps unsurprisingly, researchers also found that kids who live in counties with public smoking bans but are exposed to secondhand

In India, payment program reduces infant deaths

A novel program in India that pays impoverished women to give birth in medical institutions may be reducing infant mortality and the risk of stillbirth, according to new research published last week in the British medical journal The Lancet.

In this latest study, which was sponsored by the Bill & Melinda Gates Foundation, researchers

A “tattoo” to help monitor blood sugar levels?

Researchers at the Massachusetts Institute of Technology are taking preliminary steps toward developing a “tattoo” that could enable diabetics to constantly monitor blood sugar levels — without having to routinely change equipment or perform routine finger pricks to test blood. The experimental technology being developed by MIT

BMJ: WHO swine flu advisers had drug company ties

Almost exactly one year ago, the World Health Organization (WHO) announced that the swine flu outbreak had reached global pandemic proportions. The announcement, made on June 11, 2009, spurred governments to order huge stocks of vaccines and prompted broad public health initiatives around the globe. And while we can all be grateful that

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