MONDAY, June 14 (HealthDay News) -- Extended antiviral treatment after a lung transplant may help prevent dangerous complications and organ rejection, a new study from Duke University Medical Center shows.

SUNDAY, June 13 (HealthDay News) -- A new approach to liver transplantation is making headway in preliminary work with rats, researchers say.

MONDAY, June 14 (HealthDay News) -- Higher blood levels of HDL cholesterol, the "good" kind that protects against heart disease, are also strongly associated with a lower risk of cancer, a new review of studies suggests.

MONDAY, June 14 (HealthDay News) -- Uninsured and Medicaid-insured rectal cancer patients are more likely to die within five years than those with private health insurance, largely due to disparities in treatment and cancer stage at diagnosis, new research suggests.

MONDAY, June 14 (HealthDay News) -- Being mentally active may help reduce memory and learning problems that often occur in people with multiple sclerosis, a new study suggests.

MONDAY, June 14 (HealthDay News)-- Teen boys with normal blood pressure levels are three to four times more likely to develop high blood pressure in early adulthood than their female counterparts, a new study shows.

(HealthDay News) -- While weight lifting is a great form of exercise and can help prepare you for sports or an athletic event, it can lead to serious injury if done incorrectly.

(HealthDay News) -- If you're planning to pack prescription drugs when traveling by air, there are steps you can take to avoid trouble taking them on board.

MONDAY, June 14 (HealthDay News) -- Children whose parents set limits on the amount of time spent watching television actually watch less TV, a new study finds.

MONDAY, June 14 (HealthDay News) -- Unexpected but benign anomalies are often detected in children who undergo "routine" brain MRIs, and guidelines need to be developed to help pediatricians handle these findings, a new study suggests.

MONDAY, June 14 (HealthDay News) -- Men who attempted suicide before age 18 are much more likely to abuse their girlfriends or wives, according to a study from the Oregon Social Learning Center in Eugene.

SUNDAY, June 13 (HealthDay News) -- Use of a popular class of drugs for high blood pressure and heart failure is associated with a slight boost in cancer risk, a new review of data finds.

MONDAY, June 14 (HealthDay News) -- Millions of Americans with a history of cancer, particularly people under age 65, are delaying or skimping on medical care because of worries about the cost of treatment, a new study suggests.

MONDAY, June 14 (HealthDay News) -- About 1.8 million Americans make 3.5 million medical and dental visits to free clinics each year, a new study has found.

MONDAY, June 14 (HealthDay News) -- A combination of genetic mutations and exposure to insecticides may increase a man's risk of Parkinson's disease, new research shows.

MONDAY, June 14 (HealthDay News) -- A healthy diet helps guard against cataracts, while certain medications raise the risks of this common cause of vision loss, two new studies suggest.

MONDAY, June 14 (HealthDay News) -- There is not enough evidence to say that improving your lifestyle can protect you against Alzheimer's disease, a new review finds.

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

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

MONDAY, June 14 (HealthDay News) -- Researchers report that they have spotted two new regions of the human genome that may be related to the development of Alzheimer's disease.

MONDAY, June 14 (HealthDay News) -- Doctors may be giving the Pap test too often to women at low risk of cervical cancer, new research finds.

MONDAY, June 14 (HealthDay News) -- Substituting brown rice or another whole grain for white rice can help reduce the risk of type 2 diabetes, new research suggests.

MONDAY, June 14 (HealthDay News) -- A drug commonly used to prevent excess bleeding in surgeries could keep thousands of people from bleeding to death after trauma, a new study suggests.