How to Ride Out Dangerous Heat Waves

MONDAY, July 5 (HealthDay News) -- Extreme summer heat can be more than uncomfortable, it can be deadly.

City Cycling Seems to Have More Upsides Than Down

SUNDAY, July 4 (HealthDay News) -- The health benefits of cycling in an urban environment outweigh risks posed by air pollution and accidents, a new study has concluded.

Health Tip: Keep Food Safe

(HealthDay News) -- When bacteria or other germs set up shop in your food, they can make you quite sick.

Health Tip: Use Fireworks Safely

(HealthDay News) -- Fireworks can make for a spectacular celebration, but they can also cause serious injury.

Drugs Like Viagra Linked to Higher Rates of STDs

MONDAY, July 5 (HealthDay News) -- Middle-aged and older men who take erectile dysfunction drugs such as Viagra are more likely to have sexually transmitted diseases, a new study of more than 1.4 million men finds.

Too Much Screen Time Can Threaten Attention Span

MONDAY, July 5 (HealthDay News) -- Too much time spent watching television and playing video games can double the risk of attention problems in children and young adults, new research finds.

Kids See Fewer Ads for Sweets, More for Fast Food: Study

MONDAY, July 5 (HealthDay News) -- American children are seeing fewer TV ads for candy and beverages, but more fast food commercials, finds a new study.

Later School Start Times May Foster Better Students

MONDAY, July 5 (HealthDay News) -- High school students at a private school in Rhode Island who started school a half-hour later in the morning were in better moods, more alert, less depressed and more likely to actually attend class than before the time change, a new study shows.