Health Tip: Pack a Healthier Lunch

(HealthDay News) - Packing a lunch made at home may seem like a good way to save money and calories, but even homemade sandwiches can contribute to a bulging waistline.

 Health Tip: Allergy Shots Aren't for Everyone

(HealthDay News) - Allergy shots help sensitize your body to allergens -- things to which you're allergic.

 Vaccine Could Cut Bouts With Stomach Flu

TUESDAY, Feb. 12 (HealthDay News) -- It may be possible to develop a vaccine to control noroviruses -- a common cause of stomach flu -- but it's likely a such a vaccine would have to be changed every year because the viruses evolve quickly to avoid attacks by the immune system, new research suggests.

 Triglycerides Linked to Coronary Disease Risk

TUESDAY, Feb. 12 (HealthDay News) -- A new study showing that high levels of triglycerides were strong predictors of cardiac trouble strengthens the case for including measurement of the blood fats in prevention programs.

 Learning Disabilities May Presage Later Language Problems

TUESDAY, Feb. 12 (HealthDay News) -- People with a personal or family history of learning disabilities may be more at risk for a rare type of dementia that causes them to lose language abilities as they age, according to a new report.

 HPV-Positive Head and Neck Cancers Fare Better

TUESDAY, Feb. 12 (HealthDay News) -- Head and neck cancer patients whose tumors test positive for human papillomavirus (HPV) tend to survive longer and respond better to treatment than those who test negative, a new study says.

 Ovary Removal Protects Some High-Risk Women

TUESDAY, Feb. 12 (HealthDay News) -- Women who carry the BRCA1 or BRCA2 mutations that raise the risk for both breast and ovarian cancer should weigh a new finding that suggests having your ovaries removed provides greater protection against breast cancer if you have the BRCA2 mutation.

 Corneal Transplants Can Carry Infection Risk

TUESDAY, Feb. 12 (HealthDay News) -- People who donate corneas are giving the gift of sight, but they may also be passing along a serious infection to the recipients, a new study finds.

 Back Pain Spending Up, Relief Down

TUESDAY, Feb. 12 (HealthDay News) -- Americans are spending more money trying to ease back and neck pain, but new research suggests those extra dollars aren't buying more relief.

 Muscle Fatigue Drug May Fight Heart Failure

TUESDAY, Feb. 12 (HealthDay News) -- An experimental drug may help fatigued athletes and patients weakened by heart failure regain their energy, say physiologists at Columbia University Medical Center.

 Lack of Brain Protein May Explain 'Rain Man' Abilities

TUESDAY, Feb. 12 (HealthDay News) -- The lack of a particular brain protein may explain the phenomenon of "Rain Man" -- autistic savants who learn some tasks better but also forget faster, say researchers at Massachusetts Institute of Technology.

 Respiratory Distress Treatment Studies Conflict

TUESDAY, Feb. 12 (HealthDay News) -- Two new studies try to answer one of the most pressing questions in critical care medicine: How much pressure should be applied to keep open the partially collapsed lungs of people being treated for the deadly condition called acute respiratory distress syndrome?

 Health Highlights: Feb. 12, 2008

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

 Precancerous Breast Lesions Cause Unnecessary Worry

TUESDAY, Feb. 12 (HealthDay News) -- Many women diagnosed with a precancerous breast lesion known as ductal carcinoma in situ (DCIS) are highly anxious about their prognosis, even though they face a low risk of a recurrence or of developing invasive breast cancer, a new study finds.

 Clinical Trials Update: Feb. 12, 2008

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

 Airplane Noise Boosts Blood Pressure Even During Sleep

TUESDAY, Feb. 12 (HealthDay News) -- People who live near major airports may be disturbed by the din of aircraft flying overhead all day, but a new study finds it can also boost their blood pressure even while they're sleeping.