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It's that time of the year again. We spend more time indoors, and everyone gets a bit closer, meaning that germs have the perfect conditions to proliferate. Unfortunately, that also means you're much more likely to catch a cold.

We are all blessed with immune systems that fight off invaders at all times, but some viruses do manage to make it through and infect us. Catching a cold is something many of us experience every year, but it doesn't have to be this way.

There are a number of daily habits (that many of us are guilty of) that we never realized were harming our health. Luckily, there's a few simple changes that can make us less likely to catch the dreaded cold, and in this gallery you'll learn all about them.

Click through and see how you can prevent yourself from catching a cold.

▲Nail-biting is a sure way to get germs into your body.

▲We all know how important it is to wash our hands, but many of us rush the process. Use soap, warm water, and wash them thoroughly for at least 20 seconds.

▲Not drinking enough water puts you at risk of dehydration, which negatively impacts your body's ability to process and flush out toxins, weakening your immune system.

▲Chronic stress can make you more vulnerable to developing diseases. If you're experiencing burnout, you're more susceptible to catching a cold.

▲A diet rich in sugar is detrimental to your health in general. This includes a negative impact in gut bacteria, which plays a vital role in your immune system.

▲Did you know that if a sick person coughs or sneezes around you, their saliva or mucous can hang on to your clothes? Do we need to say more?

▲Hugging has an anti-stress effect. According to a study, snuggling can actually ward off colds. Just maybe don't do it with anyone that currently has a cold.

▲Antibacterial soap can actually kill good bacteria and lead to bacterial resistance. Colds are caused by viruses, and not bacteria, so opt for regular soap and water.

▲You might think that alcohol makes you sleep better, but it actually affects deep REM sleep. Loss of quality sleep can have a negative impact on your immune system.

▲Being a clean freak will not do you any favors when it comes to preventing a cold. Constantly cleaning your hands, for instance, will break down your skin, a living organ that is supposed to protect you from harmful germs.

▲Elevator buttons are touched by lots of people, so they're covered in germs. Not only that, but by taking the elevator you will be less active, and exercise can help you fight against viruses.

▲While exercising is beneficial for your health, too much of it can be detrimental. The constant release of stress hormones following exercise can increase your risk of catching a cold.

▲Unless it's someone you're intimate with, avoid sharing drinks or food. You're putting yourself at risk of also sharing germs.

▲Unless you're doing so as part of a controlled diet (e.g. intermittent fasting), skipping breakfast can affect your energy levels throughout the day and consequently make you more vulnerable to catching a cold.

▲In addition to ATM buttons and shopping cart handles, these are some of the most germ-filled objects you can touch.

▲Whenever possible, try to wipe down the machines at your gym before using them.

▲We all know how smoking exposes us to a number of toxins. With secondhand smoking it's no different.

▲If you don't get enough sun, you're likely to develop vitamin D deficiency. If you are unable to catch enough rays, supplementation can also be effective.

▲Doing yoga can improve your breathing and decrease your stress levels, among other benefits. All of which have a positive impact on your resistance to colds.

▲Your keyboard, mouse, and desk are usually full of germs. Why would you want to eat in such a dirty place?

▲We've mentioned previously how important it is to keep your gut bacteria in check. Probiotics help maintain healthy gut flora.

▲If you binge-watch Netflix at night, for instance, you'll probably end up cutting hours out of your sleep. You'll be tired and your immune system will be weaker. This means that your body is less effective at fighting infections.

▲If someone passes you and sneezes or coughs, breathe out and then only breathe in after they pass.

▲A diet rich in processed foods is likely to increase inflammation in the body and have an impact on your intestinal flora. Both of which make you more vulnerable to catching a cold.

▲Avoid coming into close proximity of people who clearly have a cold. In general, it's always safer to keep some distance when you're talking to people.

▲Some days are more crowded than others at the mall (e.g. weekends). Avoid sharing a closed area with lots of people, as you're more likely to come in contact with germs.

▲Your keyboard, phone, as well as light switches and doorknobs, should be cleaned on a regular basis.

▲Cold viruses can be spread through human contact, so maybe you can try to avoid handshakes, particularly with those who are sick. If you can't avoid them, wash your hands afterwards and don't touch your face, eyes, or mouth.

▲Despite technological advancements, we still use pens, but most of us no longer carry them. Think about how many people share pens nowadays, including those carrying cold germs.

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Dry air may block your nasal passages, so using a humidifier in your room might help.

Also, learn what happens to your body during cold weather.