The holiday season is supposed to be a time for relaxing and celebrating with friends and family. Sorry to be a Grinch, but the most wonderful time of the year can also prove hazardous to your health and safety. The seemingly endless string of parties, the introduction of new foods and cooking techniques to your home, and even shopping for gifts can all put your wellbeing at risk. To ensure you make it to January 1 unscathed, follow this guide to the biggest holiday health hazards and how to avoid them.

Holiday weight gain
Christmas cookies, eggnog, late-night leftover ham sandwiches: All that holiday joy adds up to at least a pound a year, but studies suggest that you never really take it off. Keep eating everything you want over the holidays and you'll end up looking like Santa when swimsuit season rolls around.  

RELATED: 11 Ways to Stay Slim Through the Holidays 

Choking
You may wish your mother-in-law would choke on her snarky comments, but choking is a serious health hazard. Nearly 3,000 people in the United States die each year from choking, according to the National Safety Council, and since you're eating more during the holidays anyway, better chew your chestnut pudding and pumpkin pie well. To avoid choking, take small bites, chew slowly and carefully, and avoid talking or being distracted while eating. Be wary of high-risk foods including hotdogs, grapes, candy with nuts, and hard fruits and vegetables.

Poisonous holiday plants
Hold the holly (and mistletoe) if you plan to have small children or pets around during the holidays. All can be toxic, and even pine cones and falling berries can pose a choking hazard. Best bet is to make sure no one smaller than a holly bush gets near seasonal plants this year.

RELATED: The Healthiest Plants for Your Home 

Deep-fried-turkey fireballs
Deep-frying your turkey can be so dangerous that Underwriters Laboratories, the product safety certifier, has refused to stamp any fryers on the market with its iconic UL logo. From 1998 to 2007, there were at least 138 incidents involving turkey fryers that caused 36 injuries and more than $7.8 million in property loss. Still, if you must deep-fry your bird, follow your fryer's instructions carefully.

Holiday heart attacks
Think the weather outside is frightful? Check the perfect storm of heart attack risk factors looming on the horizon. It’s the worst time of year for heart trouble, with heart-related deaths peaking in late December and early January. (The deadliest day? December 25, according to one study.) Why? There are lots of reasons: holiday stress, heavy meals (a known heart attack trigger), ignoring chest pain for fear of disrupting the festive mood, skipping meds in the hustle and bustle, and understaffed hospitals. Stay safe by being aware: Take your meds and watch for symptoms. Oh, and moderation is key.

RELATED: Heart Attack Symptoms Women Shouldn't Ignore 

Flammable Christmas trees
Each year, more than 400 residential fires involve Christmas trees, resulting in as many as 40 deaths and 100 injuries. In fact, though Christmas trees cause the fewest holiday-related fires, they account for the greatest percentage of deaths, according to a recent report by the Centers for Disease Control and Prevention. The safest tree is a flame-resistant artificial one.

Toy horrors
Besides troublesome questions about the safety of toys made in China, now you must face the most dreaded of all holiday hazards—opening the gifts. Sounds simple, but each year about 6,000 people in the United States visit the ER with wounds from trying to pry, slice, or stab open gifts encased in hard plastic "clamshells" or held down with a thousand metal twist ties. Some retailers, including Amazon, Sony, Microsoft, and Best Buy, are moving toward easy-to-open packaging.  

RELATED: How to Lighten Up Your Favorite Holiday Foods 

Seasonal car accidents
Thanksgiving is not only a traffic-filled holiday, it's also one of the most deadly. In 2006, 623 people lost their lives in car crashes. Christmas and New Year's, when alcohol is responsible for nearly half of accident fatalities, also have their share of road peril.

Sledding catastrophes
What seems like good, clean family fun causes 33,000 injuries each year, according to the National Safety Council. Their safety tips:

• Keep all equipment in good condition.
• Choose a spacious, gently sloping hill free of trees, fences, rocks, or other obstacles—and make sure it doesn't cross traffic.
• Do not sled on or around frozen lakes, streams, or ponds.
• Assume the proper position: Sit or lie on your back on the top of the sled, with your feet pointing downhill.
• Wear thick gloves or mittens and protective boots.

Sleep problems
A good night's rest is often the first thing we sacrifice in the midst of late-night parties, early-morning shopping, and year-end deadlines. For people traveling on vacations or to relatives' houses, obstacles such as red-eye flights, jet lag, and unfamiliar bedrooms can disrupt z's as well. But skimping on sleep can lower immunity, increase stress levels, and lead to weight gain; plus, it raises your risk for depression and automobile accidents. As tempting as it is to ignore, it's important to make sleep a priority to ensure a happy and healthy holiday.  

RELATED: Best and Worst Foods for Sleep 

Decorating disasters
Decorations sure are pretty, but the fact that more than 5,000 people are injured in decorating-related falls each holiday season is not. To make sure you're not a statistic this year, do the following when stringing lights or hanging mistletoe.

• Check that the ladder is on secure and level ground.
• Space the ladder 1 foot away from the wall for every 4 feet high it reaches.
• Stay centered between rails and do not overreach.
• Don't step on the top two rungs.
• For roof access, extend the ladder at least 3 feet above the roof.
• Keep the top and the bottom of the ladder clear of obstacles.
• Make sure the ladder is locked open.

Stress
"Stress around the holidays can be worse than other times because people tend to overcommit themselves," said Jennifer Caudle, DO, a board-certified family physician and assistant professor at Rowan University School of Osteopathic Medicine in Stratford, New Jersey. Women especially find the holidays hard to manage. A study from the American Psychological Association found that 44 percent of women reported increased stress around the holidays compared to 31 percent of men. If you feel yourself getting overwhelmed, don't be afraid to enlist some help. Say you're worried the family dinner won't be prepared on time. Ask others to bring dishes or help you set the table, Caudle suggests.

RELATED: 20 Habits That Make Holiday Stress Worse 

Holiday shopping
With any shopping trip, you need to watch how much you carry. Going from store to store with several bags could bring on back pain and wear you down. "This is not the time to be a superhero," Caudle said. "Take breaks so you're not standing on your feet the entire day." Another smart move: when shopping at the mall, drop bags off at your car between stores. How you carry and lift heavy objects is also important. "Bend at the knees and tighten the stomach muscles while lifting," Caudle said. "Hold the item close to you to distribute the weight with legs a good distance apart."

Food poisoning
Each year, about 48 million people are hospitalized because of foodborne diseases, according to the Centers for Disease Control and Prevention. With all the food made around the holidays, it's a prime time to get sick. You should be mindful of preparing meat, poultry, seafood, and eggs especially, Caudle said. Use separate cutting boards and dishes so bacteria can't spread from one food to the next. Make sure ground meat like is cooked to 160 degrees, chicken reaches 165 degrees, and whole meat (like steak) gets to at least 145 degrees. "Bacteria grow on foods as they drop in temperature," Caudle said. So don't leave dishes sitting out for long periods and put away leftovers within two hours, she said.

This article originally appeared on Health.com.