HOUSTON, Sept. 7 (UPI) -- U.S. researchers say African-Americans with a prior history of chronic obstructive pulmonary disease had a six-fold increased risk of lung cancer.

HOUSTON, Aug. 13 (UPI) -- Breast cancer survivors may still have a substantial risk of disease recurrence five years after treatment, Houston researchers warn.

SMITHVILLE, Texas, July 22 (UPI) -- A chromosomal protein that binds to damaged DNA prevents cancer development by enhancing DNA repair, Houston researchers said.

HOUSTON, July 8 (UPI) -- U.S. medical scientists say an experimental drug that inhibits tumor blood vessel growth shows promise in slowing progression of metastatic thyroid cancer.

HOUSTON , June 27 (UPI) -- The 15 percent of all lung cancers found in non-smokers may be due to a lack in cell-repair capability, U.S. researchers say.

HOUSTON, May 20 (UPI) -- A U.S. study shows Gefitinib, a once-promising drug for treating lung cancer, can enhance hormonal therapy for treating some metastatic breast cancers.

PHILADELPHIA, Pa., May 19 (UPI) -- Fatigue is a recognized symptom of cancer treatment, but the measurement of fatigue has been based on many different definitions, a U.S. researcher says.

HOUSTON, May 9 (UPI) -- Men who ate diets low in saturated fat after having the prostate removed to treat cancer had better survival rates, a U.S. study said.

HOUSTON, May 6 (UPI) -- U.S. medical scientists say they've discovered a growth factor receptor long known to fuel cancer cell growth, also protects tumor cells.