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CIP 26.0209 Biological and Biomedical Sciences

Radiation Biology/Radiobiology

IPEDS Completions, US Department of Education · 2025

Total graduates

22

2025 · 5 schools

International share

18.2%

4 international students

Bachelor's degrees

9

11.1% international

Master's degrees

6

0.0% international

Overview

Radiation Biology, or Radiobiology, is a specialized field of biology that focuses on the effects of ionizing radiation on living organisms. This interdisciplinary area combines principles of biology, physics, and medicine to understand how radiation interacts with biological systems at the cellular and molecular levels. The study of radiation biology is crucial for various applications, including medical treatment, environmental safety, and the understanding of radiation exposure impacts.

In the medical field, radiobiology is essential for developing effective cancer therapies, particularly those involving radiation treatment. By understanding how cancer cells respond to radiation, researchers can optimize treatment protocols to maximize damage to tumor cells while minimizing harm to surrounding healthy tissue. Additionally, radiobiology plays a key role in radiation protection, helping to establish safety standards for workers and the public who may be exposed to radiation in healthcare, nuclear energy, or research settings.

Research in radiation biology also contributes to fields like space exploration, where understanding the biological effects of cosmic radiation is vital for the safety of astronauts. Moreover, the study of radiation's impact on ecosystems informs environmental policies and helps in assessing risks associated with nuclear accidents or radioactive waste management.

Overall, Radiobiology is a critical field that addresses fundamental questions about life under the influence of radiation, with significant implications for health, safety, and environmental sustainability. Students pursuing this discipline typically engage in laboratory research, data analysis, and may also have opportunities for interdisciplinary collaboration with medical or environmental sciences.

Graduates by year

Graduates by degree level (first and second majors)

AssociateBachelor'sMaster'sDoctoral

From 2003 to 2025, graduates fell 24% and the international share went from 13.8% to 18.2%.

International share (%)
Graduates by group, 2025
White
54.5%
Asian
13.6%
Hispanic
4.5%
Black
0.0%
Other
9.1%
Intl.
18.2%

Colleges that award this degree

In 2025, 5 schools awarded this degree as a first major. The table lists those in the 2027 U.S. News National or Liberal Arts rankings, plus the unranked schools with the most graduates.

RankSchoolStateGraduatesInternational
#100 University of Iowa Iowa 2 2
#262 Suffolk University Massachusetts 9 1
#299 University of Toledo Ohio 4 0
— University of Oklahoma-Health Sciences Center Oklahoma 4 1
— The University of Texas Health Science Center at San Antonio Texas 3 0

Purple: international students are 25% or more of the school's graduates.

Related jobs and pay

OccupationUS employmentMean hourly wageMean annual wage
Natural Sciences Managers 108,690 $86.66 $180,250
Biological Scientists, All Other 55,850 $51.12 $106,330
Biological Science Teachers, Postsecondary 50,190 — $102,840

Source: Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025.

Graduate counts: IPEDS Completions, US Department of Education, 2003–2025. Rankings: 2027 U.S. News.