Health Tip: Prepare for Grocery Shopping

(HealthDay News) -- Stocking up on healthy groceries doesn't have to be expensive or time-consuming, as long as you do a bit of planning.

Health Tip: Keep a Headache Diary

(HealthDay News) -- If you suffer from migraines, identifying what you've been eating, drinking or doing can help you keep these painful headaches under control.

Estrogen May Play Role in Rising Rates of Head, Neck Cancer

TUESDAY, Jan. 4 (HealthDay News) -- Rates of head and neck cancer are rising among some groups of people, including young women without any known risk factors. Now, a study suggests that estrogen may help the cancer spread by boosting the movement of precancerous cells in the mouth.

Survey Finds Much Victimization of Children Goes Unreported

TUESDAY, Jan. 4 (HealthDay News) -- Nearly 60 percent of 10-to-17-year-olds surveyed in a new study say they were victims of violence, abuse or crime in the past year. However, fewer than half said that authorities ever learned about what happened.

Stem Cell Defect Might Help Spur Common Baldness

TUESDAY, Jan. 4 (HealthDay News) -- Common baldness could have its roots in a newly identified stem cell defect, a finding that could potentially lead to new hair-loss treatments down the road, a new study reveals.

Pop Star's Use of Salvia Puts Hallucinogen in the Spotlight

TUESDAY, Jan. 4 (HealthDay News) -- After a video surfaced on the Internet last month of pop star Miley Cyrus -- giggling and semi-coherent, holding a bong -- many wondered what the 18-year-old singer had inhaled.

Higher Education May Benefit Some Heart Attack Patients

TUESDAY, Jan. 4 (HealthDay News) -- Levels of schooling may affect treatment and outcomes of patients who suffer a type of heart attack called acute ST-segment elevation myocardial infarction (STEMI), a new study reveals.

Smog Contributes to Dangerous Heart Rhythm Disorders

TUESDAY, Jan. 4 (HealthDay News) -- The role that air pollution plays in heart rhythm disorders (arrhythmias) that can cause sudden death may be underestimated, according to researchers.

Tooth Loss May Be Linked to Memory Loss

TUESDAY, Jan. 4 (HealthDay News) -- Elderly people who lose their teeth may be at increased risk for dementia, researchers have found.

Obama to Sign Bill to Improve U.S. Food Safety

TUESDAY, Jan. 4 (HealthDay News) -- President Barack Obama was expected to sign Tuesday sweeping new legislation that gives the U.S. Food and Drug Administration unprecedented powers to keep the nation's food supply safe.

Stress Can Make a Healthy Cat Sick: Study

TUESDAY, Jan. 4 (HealthDay News) -- Stress can cause even a healthy cat to appear sick, a new study reveals.

Scientists Aim for Test That Spots Single Cancer Cell in Blood Sample

MONDAY, Jan. 3 (HealthDay News) -- A collaborative effort involving U.S. scientists and private companies is looking into a test that could find even one stray cancer cell among the millions of cells in a given blood sample.

Fast Walkers May Have More Years Ahead of Them

TUESDAY, Jan. 4 (HealthDay News) -- Simply measuring how fast older people walk may provide a glimpse into how many years they have left.

U.S. Kids Getting Lots of Radiation Scans, Study Finds

TUESDAY, Jan. 4 (HealthDay News) -- Exposure to radiation from medical imaging procedures such as X-rays and CT scans has become common among American children, a new study has found, prompting researchers to call for steps to be taken to ensure appropriate use of the tests to protect children.

Health Highlights: Jan. 4, 2011

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

Many May Get Unneeded Implantable Defibrillators

TUESDAY, Jan. 4 (HealthDay News) -- About 20 percent of U.S. patients who receive an implantable cardioverter-defibrillator (ICD) may not need it, a new study finds.

Study Gauges Best Treatments for Chronic Pelvic Pain in Men

TUESDAY, Jan. 4 (HealthDay News) -- Three treatments for chronic pelvic pain syndrome in men -- antibiotics, anti-inflammatories, and alpha-blockers or nerve inhibitors -- were found to be effective in curing or reducing symptoms of the often puzzling condition, according to a recent analysis of published research.

More Evidence Links Avastin to Heart Failure in Breast Cancer Patients

TUESDAY, Jan. 4 (HealthDay News) -- Just weeks after U.S. health officials moved to rescind approval of the drug Avastin to treat breast cancer, a new study provides more evidence that the anti-cancer medication ups the odds of congestive heart failure in these patients.

Six Out of 7 Drivers Use Seat Belts: CDC

TUESDAY, Jan. 4 (HealthDay News) -- Up to 85 percent of American adults now wear seat belts, an increase that translates into many fewer injuries and deaths on the road, federal health officials said Tuesday.

Clinical Trials Update: Jan. 4, 2011

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