Health threats don't care what time of year it is, because every day is open season to them. With our guidance, you can eliminate some of the dangers lurking in the shadows and enjoy the days of summer, Fox News reports.

Laundry Detergent

Cancer-causing chemical: 1,4-dioxane

Threat level: 3 *On a scale of 1-5

Your detergent removes stains -- and may leave behind a toxic chemical. In 2011, an environmental group discovered 1,4-dioxane lurking in laundry detergent. The chemical isn't a proven cancer causer in humans, but it has triggered liver and nasal tumors in rats. Worse, you won't find 1,4-dioxane on labels because it's an impurity, not an ingredient, says Sonya Lunder, M.P.H., of the Environmental Working Group.

Learn to read between the label lines: Polyethylene, polyethylene glycol, PEG, polyoxyethylene, or words containing "oxynol" or "eth" are signs dioxane may be inside

Wrinkle-Free Dress Shirts

Cancer-causing chemical: Formaldehyde

Threat level: 2

Formaldehyde keeps corpses looking their best; it also keeps wrinkle-free shirts spiffy. And while dead men have no cause for concern, the living might. There's evidence that formaldehyde causes nasal and respiratory cancers in humans, says Lunder.

Throw shirts in the wash before you wear them for the first time. One cycle can cut formaldehyde emissions by 60 percent, according to the California Environmental Protection Agency.

French Fries, Chips, Bread

Cancer-causing chemical: Acrylamide

Threat level: 3

Acrylamide, a form of a chemical used to treat wastewater, lurks in french fries, chips, bread, and even doughnuts. "When some carb-rich foods are cooked at high temperatures, the amino acid asparagine reacts with sugars in the foods, forming acrylamide," said Timothy Fennell, toxicology director at RTI International. Your body's chemical reactions to acrylamide can lead to DNA mutations that may raise your cancer risk.

Opt for lower temperatures and shorter cooking times," said Fennell.

Styrofoam Cups, Containers

Cancer-causing chemical: Styrene

Threat level: 1

Mayor Michael Bloomberg wants to ban Styrofoam from the Big Apple.

Stay away from styrene in all forms, including coffee cups and their lids, says David Andrews, of the Environmental Working Group.

Brown Rice

Cancer-causing chemical: Arsenic

Threat level: 5

Arsenic was once in the arsenal of every self-respecting medieval assassin. Today, it's probably in your pantry. A Consumer Reports study found that some brands of brown rice contain more of this toxic metal than white does.

Rinse rice before cooking (the water should run clear).

Electronic Cigarettes

Cancer-causing chemical: Nitrosamines

The FDA found nitrosamines, a carcinogen in tobacco products, in some electronic cigarette brands.