Scientists Shed Light on Link Between Depression, Dementia

WEDNESDAY, July 30, 2014 (HealthDay News) -- Older people with depression are more likely to develop dementia, but researchers have been unable to explain the exact nature of the relationship between the two.

 Make Kids' Weight Loss a Family Affair, Study Suggests

WEDNESDAY, July 30, 2014 (HealthDay News) -- Parents who want to help their preschooler shed excess pounds may want to team up with their child, new research suggests.

 Different Areas of Brain Affected in Autism, Sensory Disorders

WEDNESDAY, July 30, 2014 (HealthDay News) -- Although the vast majority of kids with autism have abnormal sensory behaviors, their brains are still wired very differently from children who have trouble processing sensory stimuli, researchers report.

 Gene Mutation May Make Food More Tempting

WEDNESDAY, July 30, 2014 (HealthDay News) -- Some obese people have a genetic mutation that seems to ramp up the reward centers in their brains when they see food, researchers report.

 Even Thinking an Odor is Harmful May Spur Asthma Symptoms

WEDNESDAY, July 30, 2014 (HealthDay News) -- For patients with asthma, just believing an odor is potentially harmful is enough to trigger airway inflammation for at least 24 hours, a new study indicates.

 Extreme Weather Kills 2,000 in U.S. Each Year: CDC

WEDNESDAY, July 30, 2014 (HealthDay News) -- Each year in the United States, at least 2,000 Americans die from extreme heat or cold, floods or lightning, health officials said Wednesday.

 Health Highlights: July 30, 2014

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

 Gardens a Center of Calm for People With Dementia

WEDNESDAY, July 30, 2014 (HealthDay News) -- Spending time in a garden might help soothe the agitation that commonly strikes people with dementia, a new review suggests.

 Adults Who've Abused Alcohol May Be at Risk for Memory Problems

WEDNESDAY, July 30, 2014 (HealthDay News) -- Middle-aged adults with a history of alcohol abuse are more than twice as likely as others to develop severe memory problems later in life, according to a new study.

 Could a Blood Test Predict Suicide Risk?

WEDNESDAY, July 30, 2014 (HealthDay News) -- Clues to whether a person is at risk for suicide could lie in a simple blood test, a new study suggests.

 Annual COPD Costs To Hit $49 Billion by 2020: CDC

WEDNESDAY, July 30, 2014 (HealthDay News) -- Medical costs for chronic obstructive pulmonary disease (COPD) in the United States are more than $32 billion each year, according to new research from the U.S. Centers for Disease Control and Prevention.

 Health Tip: Choosing Sunglasses

(HealthDay News) -- Sunglasses are more than just fashionable, they also reduce the risk of sun damage to your eyes.

 Health Tip: Monitor a Blister

(HealthDay News) -- A blister usually can be managed at home with careful cleaning. But it's important to watch for signs of infection.

Yesterday

 Fruits, Veggies May Have Their Limits in Boosting Lifespan

TUESDAY, July 29, 2014 (HealthDay News) -- The nutrients in fruits and vegetables are vital to good health and a long life, but only up to a point. Once you've hit five servings of fruits and vegetables each day, additional daily servings don't appear to boost longevity, a new research review suggests.

 Blood Test Might Help Prevent Certain Birth Defects

TUESDAY, July 29, 2014 (HealthDay News) -- A simple blood test could help prevent neural tube birth defects such as spina bifida, new research finds.

 Brown Recluse Spider Bites on the Rise, Expert Warns

TUESDAY, July 29, 2014 (HealthDay News) -- Although the bite of a brown recluse spider is poisonous, these wounds usually heal well if left alone, an expert notes.

 Dieting at Young Age Often Backfires, Study Says

TUESDAY, July 29, 2014 (HealthDay News) -- Dieting at a young age might set the stage for harmful health habits, including eating disorders, according to new research.

 Protect Your Eyes When Hitting the Pool

TUESDAY, July 29, 2014 (HealthDay News) -- Chlorine helps keep pool water clean, but it can also make swimmers more likely to develop eye infections, doctors say.