Health Tip: Symptoms of an Allergic Reaction

(HealthDay News) - Allergic reactions can range from very mild to life-threatening. Severe allergic reactions require immediate medical attention, but even reactions that are milder should be checked out by a doctor.

  Health Tip: Stressed Teens

(HealthDay News) -- The teen years can be difficult to manage with their many physical, emotional and lifestyle changes.

  Older Women Have Harder Time Preserving Muscle Than Men

WEDNESDAY, March 26 (HealthDay News) -- Keeping in good shape is more difficult for older women than men because it's harder for women to replace muscle that's lost naturally as they age, say U.S. and British researchers.

  Social Problems in Youth Contribute to Anxiety, Depression

WEDNESDAY, March 26 (HealthDay News) -- New research suggests that a child's problems forming relationships and being accepted by friends are more likely to contribute to anxiety and depression than vice versa, particularly during the transition from adolescence into young adulthood.

  Scientists Isolate Organism That Causes Disfiguring Tropical Disease

WEDNESDAY, March 26 (HealthDay News) -- An international team of researchers has finally isolated from the environment the organism that causes devastating and disfiguring ulcers that primarily plague poorer populations in Africa, according to a new report.

  Toxic Sewer Gas Induces Suspended Metabolism in Mice

WEDNESDAY, March 26 (HealthDay News) -- Using small amounts of potentially deadly hydrogen sulfide, or sewer gas, U.S. researchers were able to decrease metabolism and heart rate in mice, while maintaining blood pressure and oxygen levels -- putting them in a suspended animation-like state.

  Gaps Persist in Use of Less Invasive Breast Cancer Procedure

TUESDAY, March 25 (HealthDay News) -- The use of a less invasive form of sentinel lymph node biopsy (SLNB) during breast cancer surgery increased substantially in the United States from 1998 to 2005, researchers say. However, there are still disparities in terms of which women receive the therapy.

  Breathing Muscles Atrophy Quickly During Mechanical Ventilation

WEDNESDAY, March 26 (HealthDay News) -- A study showing the rapid weakening of unused breathing muscles during mechanical respiration could lead to improved survival for people who are put on ventilators in intensive care units, researchers say.

  Height of Pitcher's Mound Can Strain Shoulders

WEDNESDAY, March 26 (HealthDay News) -- The height of a pitcher's mound can influence the risk of stress-related elbow and shoulder injuries, suggests a study led by the head team physician for the Milwaukee Brewers.

  Too Little Vitamin D May Soften Baby's Skull

WEDNESDAY, March 26 (HealthDay News) -- Vitamin D deficiency during pregnancy may be linked to a softening of bones in a baby's skull, Japanese researchers report.

  Calcium Scans Help Predict Coronary Risk

WEDNESDAY, March 26 (HealthDay News) -- Scanning the heart arteries for calcium deposits can help predict future cardiac problems, a new study shows, but experts aren't sure that adding such scans to routine checkups would be worth the cost.

  Fattening Foods May Have More Than Good Flavor in Their Corner

WEDNESDAY, March 26 (HealthDay News) -- Fattening foods taste good, but a new study suggests you might also like them because you subconsciously realize they're full of calories.

  Drugs Approved Under Deadline More Likely to Run Into Trouble Later

WEDNESDAY, March 26 (HealthDay News) -- New research shows that drugs that are approved quickly to meet mandated deadlines are more likely to run into trouble down the line, after they are in millions of Americans' medicine cabinets, than drugs that receive more deliberation before approval.

  Now-Banned Hair Dyes Linked to Bladder Cancer

WEDNESDAY, March 26 (HealthDay News) -- Hairdressers and barbers who used now-banned hair dyes that had high concentrations of coloring ingredients appear to be at a slightly elevated risk of bladder cancer, a new report contends.

  Clinical Trials Update: March 26, 2008

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

  Health Highlights: March 26, 2008

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

  Abdominal Fat Boosts Dementia Risk

WEDNESDAY, March 26 (HealthDay News) -- A potbelly in middle age more than triples the risk of senility decades later, according to a large study that pinpoints a new link between obesity and dementia.

  Cervix Length at Mid-Pregnancy May Predict C-Section Risk

WEDNESDAY, March 26 (HealthDay News) -- The length of a woman's cervix at mid-pregnancy may indicate her risk of needing a Caesarean birth, a new study suggests.