SATURDAY, July 9 (HealthDay News) -- A bit of planning can help parents ensure their children eat right and get enough exercise during the summer, experts say.

MONDAY, July 11 (HealthDay News) -- Pet owners are familiar with cats pouncing on their feet under the covers or a pooch who nibbles their toes in bed.

(HealthDay News) -- Social phobia is an irrational fear of social situations, including being judged or scrutinized by others.

(HealthDay News) -- Many people with Alzheimer's disease may become upset, fearful and agitated when confused.

MONDAY, July 11 (HealthDay News) -- Older adults have to exercise more than younger adults in order to maintain muscle size, according to a new study.

MONDAY, July 11 (HealthDay News) -- Obstructive sleep apnea, a condition that causes pauses in breathing during sleep, plays a role in blood vessel abnormalities and should be treated to prevent potentially fatal heart conditions, a new study suggests.

MONDAY, July 11 (HealthDay News) -- So-called hypoallergenic dogs are no less likely to make you sneeze than other dogs, a new study says.

MONDAY, July 11 (HealthDay News) -- Vitamin D insufficiency is common among people with psoriatic arthritis, but levels of the vitamin in the blood do not affect disease activity, a new study finds.

MONDAY, July 11 (HealthDay News) -- Many U.S. hospitals don't follow recently revised guidelines for the appropriate use of balloon angioplasty and stenting in patients who have a blocked coronary artery after a heart attack, a new study finds.

MONDAY, July 11 (HealthDay News) -- Antipsychotic drugs are still prescribed to more than half of U.S. patients with Parkinson's disease and psychosis even though a warning that these drugs can worsen Parkinson's symptoms was issued six years ago, a new study reveals.

MONDAY, July 11 (HealthDay News) -- Teens who have high levels of folic acid appear to do better in school than those with lower levels, Swedish researchers report.

MONDAY, July 11 (HealthDay News) -- Children exposed to secondhand smoke in their homes face a higher risk of developing attention-deficit/hyperactivity disorder, other behavioral problems and learning disorders, a new study finds.

MONDAY, July 11 (HealthDay News) -- Cooling cardiac arrest patients can reduce the risk of lasting neurological damage, but this lifesaving treatment remains largely underutilized, a new study says.

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

MONDAY, July 11 (HealthDay News) -- Too much salt and too little potassium in your diet may boost your risk for cardiovascular disease and death, a new study shows.

MONDAY, July 11 (HealthDay News) -- Into America's fight against obesity comes new research pitting fast food against fruits and veggies, and fast food, it seems, is the winner.

MONDAY, July 11 (HealthDay News) -- The dog days of summer are a perfect time for hitting the beach. But a summer visit to your local teaching hospital?

MONDAY, July 11 (HealthDay News) -- Approval for the Boostrix vaccine has been expanded by the U.S. Food and Drug Administration to prevent tetanus, diphtheria and pertussis (whooping cough) in people 65 and older, the agency said in a news release.