Meteorologist Ari Sarsalari looks at the air quality forecast as more Canadian wildfire smoke enters the U.S. ...

Cases of a rare tick-borne illness are now at endemic levels. Here’s what it is and how to protect yourself. ...

Cases of illness from a toxic algae called ostreopsis have risen in recent years along the southern coast of France and northern coast of Spain. ...

Several states in the South and Midwest are under extreme threat, according to the wet bulb temperature. Here’s what that means and how it’s calculated. ...

Could adding extra salt to your food and drink during the summer boost hydration and prevent muscle cramps? After all, sodium is an electrolyte, right? Here’s what the experts say. ...

Meteorologist Orelon Sidney looks at the forecast for air quality alerts affecting the Midwest and Great Lakes regions today. ...

The Centers for Disease Control and Prevention is urging caution and vigilance when freshwater swimming after a 2-year-old Nevada child was killed by a brain-eating amoeba. ...

Fires are not new in the West which is why states like California have elaborate health and safety plans in place to deal with smoke. Now, as fires are likely to become more common in the East, many cities along the east coast may follow suit. ...

The Giant African Land Snail is a pest that could impact human health and environmental health. When they were spotted in Broward County, Florida, authorities issued a quarantine and made it illegal to transport anything snail related out of the area. ...

If you have asthma, weather patterns and where you live can severely impact your quality of life. Hot, humid days spur the production of ozone in the atmosphere, causing tough-to-take air quality conditions for individuals with asthma and other respiratory conditions. Seasonal allergies can clog airways, too. “What triggers asthma can be a certain kind of cocktail — ozone during hot summer days, particulate matter [from] pollution in the air,” Mike Tringale, of the , told weather.com. “Some people are...

At a Glance Summer seasonal depression is becoming more recognized as global temperatures rise.The condition’s symptoms include insomnia, weight loss and poor appetites.Ways to combat summer seasonal depression include taking cold showers, early morning exercise and wearing UV glasses. Sign up for the Morning Brief email newsletter to get weekday updates from The Weather Channel and our meteorologists. While many people look forward to summer’s warm temperature and clear skies, not everyone enjoys the shift in weather. Individuals with summer...

Wildfire smoke is affecting air quality for millions of people across the northeast, Great Lakes and even down to the Carolinas. But should that stop people from exercising outdoors? Here’s what you need to know. ...