Pot Plus Alcohol Kills Young Rats' Brain Cells

TUESDAY, April 22 (HealthDay News) -- A combination of THC, the main psychoactive ingredient in marijuana, and mildly intoxicating doses of alcohol caused widespread nerve cell death in the brains of young rats, a German study finds.

  Antipsychotic Drugs Linked to Pneumonia in Elderly

TUESDAY, April 22 (HealthDay News) -- Nursing home patients who take antipsychotic drugs are 60 percent more likely to develop pneumonia in the short term than those who don't take the drugs, a new study shows.

  Gene Variant Boosts Risk for Stress-Related Ischemia

TUESDAY, April 22 (HealthDay News) -- Researchers have identified a gene variation in heart disease patients who are so vulnerable to the physical effects of mental stress that it causes a major reduction in blood flow to the heart, a condition called ischemia.

  Health Tip: After Your Medical Appointment

(HealthDay News) -- Taking in all of the information and instructions at the doctor's office can be overwhelming. It's important to review everything once you get home to be sure you understand what was discussed.

  Health Tip: Understanding Obsessive Compulsive Disorder

(HealthDay News) -- Obsessive compulsive disorder (OCD) is an illness that causes people to obsess over daily activities. While everyone has daily habits and behaviors, when they interfere with daily life, it's a possible warning sign of OCD.

  New Anal Cancer Therapy Fails to Improve Outcomes

TUESDAY, April 22 (HealthDay News) -- Compared to the standard treatment regimen for anal canal cancer, the use of the chemotherapy drug cisplatin before other treatments didn't improve disease-free survival and resulted in a higher rate of colostomy procedures, says a U.S. study.

  Quality Care, Not Number of Procedures, Determines Bypass Results

TUESDAY, April 22 (HealthDay News) -- Hospitals that perform fewer cardiac bypass operations don't have more deaths following the procedure than hospitals that handle a greater number of bypasses, a new study says.

  Common Chemotherapy Drug Linked to Memory Problems

MONDAY, April 21 (HealthDay News) -- Treatment with a single, commonly used chemotherapy drug causes lingering memory problems and other cognitive difficulties, a common and unpleasant side effect called "chemo brain," a new study has found.

  Seniors No Strangers to Happiness

MONDAY, April 21 (HealthDay News) -- With age comes wisdom, and now new research suggests happiness tags along for the ride.

  New Drug-Coated Stent Does Well in Early Trial

TUESDAY, April 22 (HealthDay News) -- A new kind of drug-coated stent was better at keeping arteries open than an older stent in the first large-scale U.S. study of the device, researchers report.

  Disparities in Life Expectancy Increasing

TUESDAY, April 22 (HealthDay News) -- Contrary to popular belief, life expectancies are not rising steadily and uniformly across the United States.

  Number of U.S. General Surgeons in Decline

TUESDAY, April 22 (HealthDay News) -- From 1981 to 2005, the number of general surgeons per 100,000 people in the United States fell by more than 25 percent, according to a study by researchers at the University of Washington, Seattle.

  Larger Skin Lesions More Likely to Be Melanoma

TUESDAY, April 22 (HealthDay News) -- Skin lesions larger than six millimeters in diameter are more likely than smaller lesions to be melanoma skin cancer, a new study suggests.

  Nasal Surgery Helps Ease Sleep Apnea Symptoms

TUESDAY, April 22 (HealthDay News) -- Surgery to remove nasal obstructions improves quality of life for people with obstructive sleep apnea (OSA) and reduces symptoms of nasal blockages, according to a study by researchers in Taiwan.

  FDA: Contaminated Heparin Found in 11 Countries

MONDAY, April 21 (HealthDay News) -- Contaminated heparin products have now been found in at least 10 countries, not including the United States, leading to ongoing surveillance measures to ensure the safety of the blood thinner, U.S. health officials announced Monday.

  Factors in Cancer Death Rates Stay Stagnant

TUESDAY, April 22 (HealthDay News) -- The factors behind cancer death rates seem to have stagnated, a new report shows, as the smoking prevention and mammography screening efforts that fueled recent declines in cancer deaths appear to have leveled off.

  Health Highlights: April 22, 2008

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

  Medicare Prescription Drug Benefit Shows Mixed Results

TUESDAY, April 22 (HealthDay News) -- The Medicare Part D benefit has resulted in some improvements for seniors but no real revolution in prescription drug adherence.

  Clinical Trials Update: April 22, 2008

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

  Cimzia Sanctioned to Treat Crohn's Disease

TUESDAY, April 22 (HealthDay News) -- Cimzia (certolizumab pegol) has been approved by the U.S. Food and Drug Administration to treat adults with moderate-to-severe Crohn's disease who haven't responded to conventional therapies.