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ROCKVILLE, Md. -- The FDA has warned consumers not to eat canned hot dog chili sauce marketed under several brand names following reports of four cases of botulism poisoning linked to the sauce.

ROTTERDAM -- Infants with acute lymphoblastic leukemia had improved event-free survival with a hybrid protocol that combined elements of acute myeloid leukemia therapy, investigators here found.

BOSTON -- Simvastatin (Zocor) may enrich the brain as well as help sustain the heart, according to researchers here.

CHICAGO -- Even when semen measurements are normal in cases of unexplained infertility, the use of intracytoplasmic sperm injection (ICSI) is increasingly common, investigators here reported.

ANN ARBOR, Mich. -- It may be possible to determine whether non-small cell lung cancer is responding to radiation therapy before the course of treatment is over, a small study evaluating the predictive value of PET imaging suggests.

HELSINKI, Finland -- Although most people won't find vitamin C effective protection against colds, marathon runners can cut their risk by about 50% if they take at least 200 mg every day.

CAMBRIDGE, England -- A new picture of age-related macular degeneration has emerged from studies here that found a gene for part of the immune system is significantly associated with the disease.

REYKJAVIK, Iceland -- A major symptom of restless legs syndrome has been associated with a genetic variation on chromosome six, two research groups reported.

LEICESTER, England, July 18 -- An increased risk of coronary artery disease has been linked -- for the third time in as many months -- to a region on chromosome nine.

ROCKVILLE, Md. -- The FDA has approved a stainless steel artificial cervical disc for treatment of cervical degenerative disc disease.

SAN DIEGO -- A diet heavy on fruit and vegetables may not help breast cancer survivors reduce their risk of recurrence or death, researchers found.

VIENNA, Austria -- Tonsillectomies only rarely affect taste perception, according to investigators who tested patients' sense of taste both before and after the surgery.

ROCKVILLE, Md. -- The FDA has approved GeneSearch BLN assay, a rapid molecular-based assay for detecting node-positive breast cancer.

BALTIMORE -- Temporalis tendon transfer offers a safe, effective, and simple reconstructive procedure when reinnervation of facial muscles is not an option, Johns Hopkins surgeons said.

SAN ANTONIO -- Regular physical activity during midlife is linked to a reduced risk of brain infarcts years later, particularly in men, a study shows.

CALGARY, Alberta -- For refractory lateral epicondylitis, arthroscopic release surgery has been shown in 130-month results of a 30-patient study to get a majority of tennis players back on the court.

DUBLIN -- For esophageal-cancer patients, a node-negative status after neoadjuvant chemoradiation is the best predictor of the outcome of surgery, researchers here found.

SAN ANTONIO -- The fewer teeth someone has in middle age, the greater the risk seems to be for dementia later in life, data from an ongoing study of women's health suggest.