clipped from: www.cancer.gov   
National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute

What Is Cancer?
Definition of cancer, a brief explanation of how it forms, and basic statistics

Prevention, Genetics, Causes

Specific Cancers

Cancer Prevention

Cancer Genetics

Causes and Risk Factors

Smoking and Cancer


Screening and Testing

Detecting Specific Cancers

Tests to Detect Cancer


Cancer Library

NCI Fact Sheets

What You Need to Know About Cancer

Understanding Cancer Series

NCI Publications

Cancer Literature in PubMed

Cancer Topic Searches

Reproduction and Use of NCI Materials


All Cancer Types

Clinical Trials and
Genetics Services


Clinical Trials Database

Cancer Genetics
Services Directory


News