MicroRNAs May Predict Colon Cancer Prognosis

TUESDAY, Jan. 29 (HealthDay News) -- Knowing whether or not a particular cancer will be aggressive allows doctors to more effectively treat their patients, and a newly found class of molecules called microRNAs may help doctors do just that.

  Sex Hormones Don't Seem to Affect Prostate Cancer Risk

TUESDAY, Jan. 29 (HealthDay News) -- A man's risk of prostate cancer is not related to the amount of sex hormones circulating in his bloodstream, a new British analysis suggests.

  Study Finds Both Coated Stents Perform the Same

TUESDAY, Jan. 29 (HealthDay News) -- In a large study comparing the real-life effectiveness of two different drug-coated stents, Danish researchers found no overall difference between the two stents and a lower rate of problems than had been anticipated.

  Surgeons' Characteristics Influence Breast Cancer Care

TUESDAY, Jan. 29 (HealthDay News) -- Individual surgeon characteristics, such as gender and medical training, may influence whether a women receives radiation after breast conservation cancer surgery, a U.S. study suggests.

  Stents Slightly Better Than Bypass for Blocked Left Coronary Artery

TUESDAY, Jan. 29 (HealthDay News) -- Implanting a stent in a clogged left main coronary artery appeared to give better short-term results than bypass surgery in a Polish study.

  Anti-Clotting Drug Helps Infants With Heart Ills

TUESDAY, Jan. 29 (HealthDay News) -- Small doses of the anti-clotting drug clopidogrel (Plavix) can benefit children under age 2 with heart problems, a new study says.

  Clinical Trials Update: Jan. 29, 2008

(HealthDay News) -- Here are the latest clinical trials, courtesy of Thomson CenterWatch :

  Health Highlights: Jan. 29, 2008

Here are some of the latest health and medical news developments, compiled by editors of HealthDay:

  Digital Mammography Better Than Film for Some Women

TUESDAY, Jan. 29 (HealthDay News) -- For some women, digital mammography is a better bet than traditional film mammography, a new study confirms.

  Clot-Busting Drug Offers New Approach to DVT

TUESDAY, Jan. 29 (HealthDay News) -- When it comes to treating deep vein thrombosis, injecting the clot-busting drug alteplase (rTPA) directly into clots in the legs reduces the risk of complications and recurrence, a small U.S. study suggests.

  Researchers Map Paths Governing Neuron Function

TUESDAY, Jan. 29 (HealthDay News) -- U.S. researchers have mapped thousands of neuronal proteins that are connected in complex signaling networks that control neuron function.

  Health Tip: Coping With a Cough

(HealthDay News) - A cough can be an annoying symptom of many ills, including a cold, sinus infection, bronchitis or another respiratory condition.

  Health Tip: Risk Factors for Melanoma

(HealthDay News) - Melanoma is the most serious type of skin cancer. While it can be treated when caught early, it can spread and become deadly over time.