Brain Scans Might Spot Potential for Recovery From Coma

TUESDAY, April 15, 2014 (HealthDay News) -- Brain scans could help identify comatose patients who have the potential to wake up, a new study suggests.

 Study Links Casual Marijuana Use to Changes in Brain

TUESDAY, April 15, 2014 (HealthDay News) -- Young people who occasionally smoke marijuana may be rewiring their brains, with their pot use causing structural changes to brain regions related to motivation, emotion and reward, a small study says.

 Nonwhites Exposed to More Air Pollution: Study

TUESDAY, April 15, 2014 (HealthDay News) -- Nonwhite Americans are exposed to 38 percent higher levels of nitrogen dioxide air pollution than whites, a new study shows.

 Certain Thyroid-Related Diseases May Vary by Race

TUESDAY, April 15, 2014 (HealthDay News) -- Race appears to be a factor in determining a person's risk of developing autoimmune thyroid conditions such as Graves' disease or Hashimoto's thyroiditis, a new study says.

 Obesity Linked to Increased Odds of Losing Baby, Study Finds

TUESDAY, April 15, 2014 (HealthDay News) -- Women who are overweight or obese when they get pregnant may be at increased risk for miscarriage, stillbirth or infant death, researchers say.

 Family Dog Can Help Kids With Autism

TUESDAY, April 15, 2014 (HealthDay News) -- Children with autism may find the "unconditional" love of the family dog a real help, a small new study finds.

 Sleep Apnea May Be Linked to Poor Bone Health

TUESDAY, April 15, 2014 (HealthDay News) -- People with sleep apnea, a common sleep disorder, may be at increased risk for the bone-thinning disease osteoporosis, especially women and older people, a new study suggests.

 Too Little Vitamin D May Add to Obesity's Burden

TUESDAY, April 15, 2014 (HealthDay News) -- Severely obese people with vitamin D deficiency may be less mobile than those with normal levels of the vitamin, a new study says.

 Tanzeum Approved for Type 2 Diabetes

TUESDAY, April 15, 2014 (HealthDay News) -- Tanzeum (albiglutide) has been approved by the U.S. Food and Drug Administration to help control blood sugar in adults with type 2 diabetes.

 Easter Lilies Toxic for Cats, FDA Warns

TUESDAY, April 15, 2014 (HealthDay News) -- Easter lilies are popular in homes at this time of year, but they can be deadly for cats, a veterinarian warns.

 Mother's Pregnancy Weight Gain May Influence Child's Obesity Risk

TUESDAY, April 15, 2014 (HealthDay News) -- Children born to mothers who gain either too much or too little weight during their pregnancy are more likely to be overweight or obese, a new study has found.

 FDA Approves New Type 2 Diabetes Drug

TUESDAY, April 15, 2014 (HealthDay News) -- Millions of Americans with type 2 diabetes have a new treatment option with the U.S. Food and Drug Administration's approval Tuesday of a once-weekly injectable drug, Tanzeum.

 Drowning Deaths Down Overall, But Still a Problem: Report

TUESDAY, April, 15, 2014 (HealthDay News) -- Just in time for summer swimming and boating season comes a grim government report: Drowning deaths are still a problem in the United States, even though overall deaths from drowning are down.

 Health Highlights: April 15, 2014

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

 Blood Test Aims to Predict Breast Cancer's Return

TUESDAY, April 15, 2014 (HealthDay News) -- A new blood test may one day help predict the recurrence of breast cancer and also a woman's response to breast cancer treatment, researchers report.

 Younger Adults Hit Hardest This Flu Season

TUESDAY, April 15, 2014 (HealthDay News) -- The H1N1 flu was the predominant influenza strain in the United States this year, but it packed a lot less punch than in 2009 when it caused a worldwide pandemic, health officials report.

 Health Tip: Practice Biking Safety

(HealthDay News) -- If you're out biking, make sure you follow the rules of the road to stay safe.

 Health Tip: Minimizing Seasonal Allergy Symptoms

(HealthDay News) -- Pollen and mold are common culprits of seasonal allergies, but there are things you can do to help minimize symptoms.