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HealthDay News - May 11, 2016

Do You Know the 'Hidden' Signs of Asthma?

WEDNESDAY, May 11, 2016 (HealthDay News) -- While most people know that wheezing is a sign of asthma, far fewer realize that trouble sleeping or a persistent cough may also be symptoms of the airway disease, a new survey shows.

Health Tip: Don't Multitask Behind the Wheel

(HealthDay News) -- Think you can safely have a phone conversation while driving? Think again.

Health Tip: Identifying an Ordinary Mole

(HealthDay News) -- If you're trying to figure out if you have an ordinary mole or a skin patch that could be cancerous, the American Academy of Dermatology offers these tell-tale signs of an ordinary mole:

Think You're Allergic to Penicillin? Maybe Not

TUESDAY, May 10, 2016 (HealthDay News) -- Many people who believe they're allergic to penicillin actually aren't, an allergist says.

What a Change in DEA's Pot Rules Might Mean for Medical Research

TUESDAY, May 10, 2016 (HealthDay News) -- Most doctors approach medical marijuana with a great deal of uncertainty, because drug laws have hindered researchers' ability to figure out what pot can and can't do for sick patients.

Mouse Models Reveal How Zika Infects Fetuses

WEDNESDAY, May 11, 2016 (HealthDay News) -- Scientists have created the first model of how the Zika virus spreads from a pregnant mouse to its fetus.

Watch Walking to Gauge Health After Heart Surgery

WEDNESDAY, May 11, 2016 (HealthDay News) -- Assessing the prognosis of a loved one who's scheduled for heart surgery may be as easy as watching them walk, a new study suggests.

Baby's Immune System Might Hint at Autism Risk

WEDNESDAY, May 11, 2016 (HealthDay News) -- While the origins of autism remain mysterious, new research points to the infant immune system as a potential contributing factor.

Too Much Folic Acid in Pregnancy Tied to Raised Autism Risk in Study

WEDNESDAY, May 11, 2016 (HealthDay News) -- Pregnant women are encouraged to get plenty of folic acid in their diet or through vitamin supplements, to protect their babies against birth defects of the brain and spinal cord.

Zika Symptoms May Vary, So Testing Is Crucial

WEDNESDAY, May 11, 2016 (HealthDay News) -- Zika infection isn't always obvious. In one recent case, a rash, bloodshot eyes and spots in the mouth were key symptoms of infection with the mosquito-borne virus, researchers report.

Study: Ex-NFL Players Aren't at Greater Risk for Suicide

WEDNESDAY, May 11, 2016 (HealthDay News) -- Professional football players aren't at greater risk of suicide than the general U.S. population, federal health officials report, although players are far likelier to suffer concussions.

Health Highlights: May 11, 2016

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