Janet R. Daling is an American epidemiologist. She is a member emeritus of the Public Health Sciences Division of the

Fred Hutchinson Cancer Research Center The Fred Hutchinson Cancer Center, formerly known as the Fred Hutchinson Cancer Research Center and also known as Fred Hutch or The Hutch, is a cancer research institute established in 1975 in Seattle, Washington (state), Washington. History ...

, as well as an emeritus professor of epidemiology at the

University of Washington The University of Washington (UW and informally U-Dub or U Dub) is a public research university in Seattle, Washington, United States. Founded in 1861, the University of Washington is one of the oldest universities on the West Coast of the Uni ...

Education

Daling received her MS in

biostatistics Biostatistics (also known as biometry) is a branch of statistics that applies statistical methods to a wide range of topics in biology. It encompasses the design of biological experiments, the collection and analysis of data from those experimen ...

from the University of Washington in 1974 and her PhD, from the same institution, in Epidemiology in 1977.

Research work

In November 1994, Daling published a case-control study in the ''Journal of the National Cancer Institute'' which found that induced, but not spontaneous,

abortion Abortion is the early termination of a pregnancy by removal or expulsion of an embryo or fetus. Abortions that occur without intervention are known as miscarriages or "spontaneous abortions", and occur in roughly 30–40% of all pregnan ...

was associated with a 50% increased risk of

breast cancer Breast cancer is a cancer that develops from breast tissue. Signs of breast cancer may include a Breast lump, lump in the breast, a change in breast shape, dimpling of the skin, Milk-rejection sign, milk rejection, fluid coming from the nipp ...

. The study also found that the highest increase in risk was among women who had an abortion in the last month of the first trimester. However, Daling cautioned against drawing a firm conclusion at the time, and told the ''Seattle Post-Intelligencer'' that "I'm concerned that this will be used to alarm people." Two years later she co-authored another study on the same topic that found a smaller increase in risk (relative risk 1.2) and no evidence of a higher increase in risk among any subgroups. In 2009, Daling published a study which found an association between

marijuana Cannabis (), commonly known as marijuana (), weed, pot, and ganja, List of slang names for cannabis, among other names, is a non-chemically uniform psychoactive drug from the ''Cannabis'' plant. Native to Central or South Asia, cannabis has ...

use and incidence of

testicular germ cell tumor A germ cell tumor (GCT) is a neoplasm derived from primordial germ cells. Germ-cell tumors can be cancerous or benign. Germ cell tumors typically originate from the gonads (ovary and testis), but can arise in other areas of the body. Extragonadal ...

References

{{DEFAULTSORT:Daling, Janet R. Cancer epidemiologists Living people University of Washington School of Public Health alumni University of Washington faculty Year of birth missing (living people) American women epidemiologists American epidemiologists Fred Hutchinson Cancer Research Center people