Genetics May Boost Mexican-Americans' Risk for Alcoholism

THURSDAY, Dec. 13 (HealthDay News) -- Mexican-Americans carrying what's known as a haplotype of a particular gene may be at increased risk of alcoholism, a new study finds.

  Health Tip: Dealing With Anxiety

(HealthDay News) - For some people, anxiety can be so severe that it is difficult to function.

  Health Tip: Changing Your Baby's Diaper

(HealthDay News) - First-time parents may be overwhelmed with new responsibilities, and may forget to ask for help with simple tasks such as changing a diaper.

  Transplanted Bone Marrow Cells Aid Nerve Regeneration

THURSDAY, Dec. 13 (HealthDay News) -- Transplanted bone marrow cells containing adult stem cells can help regenerate damaged nerves, say Japanese researchers.

  Cell 'Addiction' to Growth Factors May Help Spur Cancers

THURSDAY, Dec. 13 (HealthDay News) -- "Addiction" to certain growth factors contributes to the development of cancers caused by epigenetic changes, such as the inappropriate activation of a normally silent gene, scientists say.

  Researchers Find Great Granddaddy of All Blood Cells

THURSDAY, Dec. 13 (HealthDay News) -- The "great-grandparent" of all human blood cells has been identified by Stanford University researchers, who said the finding could lead to new treatments for blood cancers and other blood diseases.

  FDA Advisers Reject Over-the-Counter Statin

THURSDAY, Dec. 13 (HealthDay News) -- For the third time in seven years, U.S. Food and Drug Administration advisers have voted to deny Merck & Co.'s request to make the cholesterol-lowering drug Mevacor available over the counter.

  High-Dose Chemo Provides Little Benefit to Breast Cancer Patients

THURSDAY, Dec. 13 (HealthDay News) -- High-dose chemotherapy has only a minimal effect on survival in breast cancer patients with node-positive disease, new research shows.

  Fetal Alcohol Exposure May Prime Offspring for Alcoholism

THURSDAY, Dec. 13 (HealthDay News) -- Rats exposed to alcohol while still in the womb learn to like the substance and are more drawn to it as young rats, a new study shows.

  Fibers in Semen Help HIV Penetrate Cells

THURSDAY, Dec. 13 (HealthDay News) -- In a discovery that perplexes HIV experts, an international team reports that tiny fibers commonly found in semen drastically enhance the ability of the virus to do its damage.

  Common Infant Vaccine Recalled

WEDNESDAY, Dec.12 (HealthDay News) -- Merck & Co. has recalled 1.2 million doses of a common childhood vaccine due to potential contamination during the manufacturing process. But, the vaccine does not pose a health threat, U.S. health officials announced late Wednesday.

  Menopause May Be Unique to Humans

THURSDAY, Dec. 13 (HealthDay News) -- Scientists have found no evidence that female chimpanzees go through menopause in the way that human females do -- even though their ability to reproduce tends to taper off at a similar age.

  New Cancer Drug Tied to Heart Problems

THURSDAY, Dec. 13 (HealthDay News) -- The new and powerful cancer drug sunitinib (Sutent), which fights stomach tumors, can also create heart problems for some patients, a new study finds.

  Clinical Trials Update: Dec. 13, 2007

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

  Health Highlights: Dec. 13, 2007

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

  Report Finds 'Widespread Steroid Use in Baseball'

THURSDAY, Dec. 13 (HealthDayNews) -- New York Yankees pitchers Roger Clemens and Andy Pettitte, Houston Astros All-Star shortstop Miguel Tejada and home run king Barry Bonds are among the big-name players cited in a highly anticipated report into the use of performance-enhancing drugs in Major League Baseball.

  Kuvan Sanctioned for PKU

THURSDAY, Dec. 13 (HealthDay News) -- A drug called Kuvan (sapropterin dihydrochloride) has been approved for treatment of a rare genetic disorder called tetrahydrobiopterin (BH4)-responsive phenylketonuria (PKU), the U.S. Food and Drug Administration said Thursday.