Halfpoint/ShutterstockRunning or walking shoes that easily bend in half at the midsole may increase your risk of injury. Give them the boot. Remember, the average sneaker life span: 300 to 500 miles, or about six months.
KANOWA/ShutterstockAfter ten years, smoke detectors won't reliably warn of fire. Change them once a decade. Also key: Place alarms in and outside every bedroom and on each level of the home, and change batteries yearly. Learn about 15 ways technology can make you sick.
Old saline solution and medications
Pavel Kubarkov/ShutterstockEven unopened saline solution and drugs can quickly become less potent past their expiration dates. Toss 'em.
Vladimir Sukhachev/ShutterstockMost pitcher filters will remove contaminants from 40 gallons of water—about three months’ worth of normal use. After that, the filter is useless. Replace it. Tip: No warning light or timer on your filter? Slow flow indicates it’s maxed out. Watch out for these other things in your home that could hurt your health.
Pesticides more than two years old
BonNontawat/ShutterstockThe chemicals in old pesticides may not work as well, and worn-out containers are more apt to break, putting you at risk for exposure to toxins. Check earth911.com for information on where to safely dispose of pesticides. Find out about more surprising things that could cause cancer.
SunCity/ShutterstockThat “cleaning” tool might not be so clean after all. A study in the journal Scientific Reports found that sponges harbor a surprising amount of bacteria, and cleaning them won’t help much. That means you’re scrubbing your dishes with even more germs. Yuck! Replace your sponge once a week to avoid illness. Don't miss these other 16 items you didn't know had expiration dates.
Svetlana Cherruty/ShutterstockIf you have allergies, your safe haven for sleep might actually trigger symptoms. Dust mites love snuggling into mattresses and bedding, so use an airtight plastic cover on your mattress if you’re prone to sneezing. Make sure you know these 11 other ways your house could make you sick.
Jim Barber/ShutterstockUsing an extension cord incorrectly could cause a fire or electric shock. Before plugging in an appliance, make sure the cord is designed to handle its wattage, and never use an extension cord for more than one appliance, warns the Electrical Safety Foundation International.
Andrew Rafalsky/ShutterstockDon’t limit “cleaning out the fridge” to polishing off leftover pizza. The 2013 NSF International Germ Study found that vegetable drawers of fridges are one of the dirtiest places in a home, harboring Salmonella, Listeria, mold, and more. The group recommends giving the drawer a good scrub at least once a month.
5 second Studio/ShutterstockHigh temperatures degrade sunscreen, meaning that after a season of sunny days by the pool, it won’t block as many UV rays as a fresh bottle. To avoid the burn, buy new sunblock every year. Here are 16 more things smart homeowners do once a year.