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Your Environment. Your Health.

Developmental Origins of Health and Disease

Program Description

Studies suggest that harmful exposures that occur early in life, while tissues and organs are developing, increase the risk of disease later in life. Sometimes these risks carry over into future generations. This concept is called the developmental origins of health and disease, or DOHaD.

A variety of diseases and conditions are thought to result at least partly from exposures that occur in the womb or during childhood. Some of these include obesity, type 2 diabetes, insulin resistance, asthma, cardiovascular diseases, behavioral disorders, neurodegenerative diseases, reproductive disorders, and some cancers.

What NIEHS is Doing

Researchers supported by NIEHS are studying how certain diseases or health conditions originate during critical time periods of development, known as windows of susceptibility. They are also pinpointing times during development when people are most susceptible to the combined effects of environmental exposures and genetic factors. Recently, grantees have begun to examine the time before conception as another window of susceptibility and are studying the placenta as a site of endocrine disruptor action that may impact fetal health. To do this, they are investigating how heavy metals, phthalates, flame retardants, pesticides, and chemicals that interfere with hormones, can potentially alter normal development in a way that leads to later disease or health conditions.

NIEHS-funded researchers are also studying how early life exposures may affect cancer risk, by examining the association between perinatal exposure to bisphenol A and later development of breast tumors, as well as the genetics of breast cancer risk during windows of susceptibility. Other researchers are investigating prostate cancer that occurs after early exposures to estrogens and whether vulnerability to disease can be passed to future generations.

NIEHS-funded researchers are asking questions such as:

  • What determines a window of susceptibility?
  • Which windows of susceptibility are most important?
  • What mechanisms, such as signals that help control when genes are turned on and off, are responsible for the increased sensitivity to disease in specific windows of susceptibility?
  • How important are challenges later in life — such as a high-fat diet, other exposures, and stress — in interacting with windows of susceptibility to increase disease risk?

Program Contacts

Thaddeus Schug, Ph.D.
Thaddeus T. Schug, Ph.D.
Health Scientist Administrator
Tel 984-287-3319
schugt2@niehs.nih.gov
P.O. Box 12233
Mail Drop K3-15
Durham, N.C. 27709
Kimberly Ann Gray
Kimberly Gray, Ph.D.
Health Scientist Administrator
Tel 984-287-3262
gray6@niehs.nih.gov
530 Davis Dr
Keystone Building
Durham, NC 27713
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