As the summer temperatures rise, air conditioners become the number one option for most people to escape the heat.

When the weather is extremely hot, your body may not adjust well to the high temperature or humidity changes. This can be exacerbated if you are in the sun or if there is little wind. There have been many reported cases of people collapsing from dehydration and heat stroke, or people getting sick in Beijing and other cities over the past weeks.

Long hours in front of the television, whether channel surfing or gaming, can make it difficult for kids to concentrate in school, psychologists say.

Women, try not to think of this if you lie awake at night: Having trouble sleeping means you're likely to gain weight.