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7 Hacks to Building a Robust Immune System this Winter
Victoria Gasparini
For many of us, Winter is a season of bright lights , cozy blankets, hot chocolate, and preparing for holidays. If you’re from an area with lots of snow, you may love the ski season, the pretty white mountain tops, and other fun, winter festivities. Unfortunately, it’s not all jolly. Winter brings with it an increased risk of falling ill and catching all sorts of viruses. In this post-pandemic era, we have learned just how important it is to keep our immune systems strong and healthy, but with viruses like HPV and HSV always being a concern regardless of seasonal changes, it's essential to bolster your immune system to stay healthy and resilient during these colder months where we are even more likely to experience flare ups of these infections. Luckily, there are plenty of natural ways to support your immune system and enhance your overall well-being. Here are some tips to keep your immune system in top shape this winter:
1. Prioritize a Balanced Diet:
Eating a nutritious, well-balanced diet is the foundation of a strong immune system. Focus on incorporating plenty of fruits, vegetables, whole grains, lean proteins, and healthy fats into your meals. These foods provide essential vitamins, minerals, and antioxidants that support immune function. As a general recommendation for supporting overall health and optimal immunity, we recommend eating similar to a mediterranean style of eating - which you can read more about here. Additionally, a focus on antioxidant-rich and anti-inflammatory foods is advised.
3. Get Regular Exercise:
Engaging in regular physical activity not only keeps your body in shape but also boosts your immune system. Aim for at least 30 minutes of moderate exercise most days of the week. Activities like walking, jogging, yoga, or dancing can enhance your immune response and reduce stress. There is no right or wrong kind of exercise, so feel free to explore what kind of movement feels best in your body.
4. Prioritize Sleep:
Quality sleep is essential for a robust immune system. Aim for 7-9 hours of restful sleep each night. Establish a relaxing bedtime routine and create a comfortable sleep environment to ensure you get the rest your body needs. If you struggle with sleep, we suggest improving sleep hygiene practices like limiting phone use before bed, only using your bedroom for sleep and intimacy and lastly, keeping your room at a cool temperature. Additionally, you can talk to your doctor about supplementation with herbs like passionflower and/or valerian to help with sleep quality and length
5. Manage Stress:
Chronic stress can weaken the immune system, making you more susceptible to illnesses. Practice stress-reducing activities such as meditation, deep breathing exercises, yoga, or hobbies you enjoy. Taking time for yourself and finding ways to relax can have a significant impact on your overall well-being. Additionally herbs like Ashwagandha have been shown to reduce levels of perceived stress. This can be incredibly important for building a strong and resilient immune system.
6. Boost Vitamin D Levels:
Vitamin D plays a crucial role in immune function. During the winter months, when sunlight exposure is limited, consider taking a vitamin D supplement after consulting with your healthcare provider. Vitamin D supplements should be in liquid or gel cap form for adequate absorption. Additionally, include vitamin D-rich foods like fatty fish, fortified dairy products, and mushrooms in your diet.
Nov 08, 2023
2 min read
How Stress Compromises Your Immune System
Adrienne Hill-Strathy
We each
experience different forms of stress in our lives.
Stress can
range from acute time-limited stressors, like public speaking, to brief life
stressors, like academic examinations.
Stress can
also be more chronic, due to loss of a job, a relationship, or debilitating
illness.
How stress impacts the immune response differs depending on the type of
stress and its duration.
Because the immune system is linked to other systems in the body like the endocrine system, gastrointestinal system, and nervous system, its response will be modified depending on the total input that it receives.
Modifying
the immune system in times of stress provides many physiological benefits to
help the body thrive. However, prolonged exposure to stress can eventually lead
to negative health outcomes.
How Can Stress Benefit the Immune System?
Our bodies
are built to adapt to stress.
In order to prepare the body for survival, the human immune system redistributes its immune molecules to accommodate for the perceived level of attack.
Adapting to stress helps our bodies to survive.
During
acute stress, the body prepares for potential trauma and infection, redistributing
immune t-cells to the skin in order to enhance the immune defense.
This system
is beneficial for us to quickly adapt to a cut and possible infection,
enhancing our survival.
How Can Stress Negatively Affect the Immune System?
Today, many
of us experience a different kind of stress that is less intense but chronic.
Prolonged stressors like unemployment, caring for a sick loved one, or a stressful job, have been found to down-regulate both the innate and adaptive immune responses over time.
During
chronic stress, we also see a shift in immune cells, with a suppression in
t-helper 1 cells and an activation of t-helper 2, involved in humoral immunity.
The shift
results in a chain of events that exacerbate allergy and autoimmune disease.
Together,
these immune responses lead to an imbalance in the ability of the body to fight
incoming infection, while exacerbating potential chronic illnesses through
overactivation of the humoral response.
Ways to Manage Chronic Stressors:
The key to keeping the immune system balanced and able to fight infections is managing stress. How we do that is through daily practices that help us slow down, ground, and work through the challenges of life.
We each
have our own unique ways of releasing stress and relaxing. A few of our favorites
include:
Mindfulness
Mindfulness is the practice of
paying attention to the present moment.
Brief mindfulness meditations have been found to reduce self-reported psychological stress in participants, and lead to greater resiliency and to an improved cortisol (stress hormone) response. Mindfulness can be as simple as going for a walk and noticing the sky, trees, and things around you. It can also be a journaling practice or breathing exercise. The important thing is to make it work for you.
Mindfulness can help to calm the mind and reduce stress.
Get enough sleep
Sleep plays a foundational role in
managing our natural circadian rhythm and it allows the body to naturally heal
and repair on a cellular level.
Getting at least 7-8 hours of good
quality sleep is essential for the body to properly function.
Why not read our tips for a better sleep to learn more?
Socialize
Spending time with friends and loved ones has been found to be an important indicator of longevity and it reduces the risk of a number of diseases.
Share
dinners with friends, phone a distant friend, or go see a show. Most of us are
looking to connect at a deeper level and can benefit from meaningful
interactions.
Our friends can help us reduce stress.
Mar 23, 2020
3 min read
Vitamin D: The “Sunshine Vitamin”
Dr Elizabeth Goldspink
Vitamin D comes from the sun. Vitamin D is also a key player in maintaining overall health, supporting immune function, regulating inflammation, bone health, and many other essential body processes.
Unfortunately, many people are deficient in this crucial vitamin.
Most people in countries in the northern latitudes do not achieve their adequate dose, especially during the winter. Did you know that low Vitamin D levels can also affect your HPV status?
This blog covers the basics of HPV and how Vitamin D can be vital to your health and wellbeing.
Vitamin D: The Sunshine Vitamin
There are two main natural sources of Vitamin D, food and sunshine, with the sun being most people’s primary source of Vitamin D. This is why it can be more difficult to get the appropriate dose of Vitamin D in winter months when daylight shortens in cooler climates.
Ultraviolet light is absorbed into the skin, strikes the skin, and triggers Vitamin D synthesis, so sunshine is crucial!
Vitamin D is a fat-soluble vitamin as well as a hormone. It is best known for its crucial role in bone health. Without it, the body would not be able to absorb calcium, magnesium, or phosphate from food - which are essential minerals for bone strength. Without adequate calcium absorption, the body “borrows” calcium from the bones, increasing the risk of bone thinning, which may lead to osteoporosis and fracture. Vitamin D helps maintain normal blood levels of phosphorus, magnesium, and calcium for other body functions.
Vitamin D is so vital to bone health that governments mandated the fortification of certain food products, such as milk and milk alternatives to prevent severe deficiencies. Diseases caused by severe deficiency, such as rickets in children and osteomalacia in adults, were common before this fortification.
Vitamin D-eficient Symptoms
It isn’t always obvious when your body is in need of more Vitamin D. While the symptoms are often subtle, low levels of vitamin D can present with:
Low immune function – have you noticed you’re getting sick or run down more often than usual?
Fatigue – it can be as simple as an increased difficulty of getting out of bed in the morning.
Bone loss or pain – new and random aches and pains should be assessed by your primary healthcare provider.
Muscle pain and weakness – not able to crush it at the gym like usual? Having difficulty recovering?
Low mood or depression – often this is a key symptom of Seasonal Affective Disorder, where those who have dark, cold, long winters are deficient in vitamin D, leading to decreased pleasure or interest in doing things they used to love, low mood, and depression.
Impaired skin healing – with low vitamin D, it can be harder to heal something as small as a papercut or a skin blemish scar.
Hair loss – hair thinning or hair loss can be caused by low vitamin D levels
Can I test if I’m deficient?
Vitamin D levels can be checked through a blood test. The most common test is the 25-hydroxyvitamin D or 25(OH)D. It reflects vitamin D produced inside the body from both foods, sun, and supplements. Ranges above 20-30 ng/mL are considered sufficient for bone and overall health in healthy individuals. Levels over 50 ng/mL can be associated with adverse effects.
Getting tested can give a general indicator of your status and whether it might be useful to supplement. We always recommend talking to your doctor to get their take on what would be best for you.
What’s the connection between Vitamin D and HPV?
So now that you know the importance of vitamin D, how does this relate to your HPV status?
New research on Vitamin D is constantly emerging, increasing what we know about the many benefits this vitamin has for our health. Low levels have been linked to insulin resistance and diabetes, inflammation, impaired immunity, and certain autoimmune conditions, and cancer. As more research is conducted, the potential benefits of this “sunshine vitamin” are rapidly expanding.
The main connection between Vitamin D and HPV is in the immune system. An HPV prognosis can single-handedly be affected by the strength of your immunity, and Vitamin D is an essential part of keeping a robust immune system. A study in the United States links low vitamin D status to increased risk of developing a high-risk HPV infection among sexually active women.
Optimal Vitamin D levels have been found to play a positive role in both the adaptive and innate immune systems. Vitamin D has been found to boost the expression of white blood cells, which are the immune molecules known for fighting off infections and managing inflammation. Low levels of Vitamin D have also been associated with autoimmune diseases such as multiple sclerosis, lupus, diabetes, and rheumatoid arthritis.
The hormone has also been found to play a role in managing chronic inflammation, a key factor in nearly every chronic disease. Vitamin D manages inflammation through modulating cytokine production and proliferation. Cytokines are the immune systems chemical messenger systems that tell the rest of the immune system when to respond and react.
Vitamin D’s Anti-Cancer Effects
Another study outlined the importance of Vitamin D in the steroid hormone pathway, which regulates calcium. It explained the anti-proliferative, pro-apoptotic, anti-angiogenic effect of Vitamin D in cancer prevention.
In easier terms, Vitamin D was effective in decreasing cancer cell growth and increasing cell death of existing cancer cells. This study found a significant connection between blood levels of Vitamin D and HPV positive status. Vitamin D has proven anti-inflammatory functions, therefore the deficiency of Vitamin D and its metabolites could possibly relate to HPV persistence and other related cervical intraepithelial neoplasia.
Getting Your Vitamin D
The best way to get Vitamin D is through sun exposure. You need bare skin exposed to sunlight when it’s at its highest so that you can get enough ultraviolet B, or UVB, rays. 10 to 30 minutes per day around 11am to 3pm is optimal. Fair-skinned individuals may spend less time, while those with darker skin tones may need to spend longer. Darker skin tones will have decreased production of Vitamin D in the skin due to increased skin pigments which block UV light absorption.
Other factors that may affect Vitamin D synthesis in your skin from the sun include season, time of day, latitude, cloud cover, pollution, skin tone, clothing, sunscreen, and age. Except in summer months, the skin can make little if any Vitamin D from the sun if you live at latitudes above 37 degrees north. This includes all of Canada and most of the United States. Those ages 65 and up have decreased production of vitamin D with increasing age.
Although sunscreen is important for protecting the skin against harmful effects of the sun, such as skin cancer, sunscreen blocks your skin’s ability to produce vitamin D. Try sitting in the sun, sunscreen-free for 10 minutes, then generously applying sunscreen or cover-up after filling up your vitamin D stores!
To supplement or not to supplement?
For those who live in places with long, dark winters, or grey seasons (we’re looking at you, Canada!), supplementation is recommended. You should see your primary healthcare provider to get bloodwork to guide dosing and supplementation - supplementing too much vitamin D has been known to cause stomach pain and kidney dysfunctions. When picking your supplement, make sure it is in the active form of cholecalciferol.
Food sources may help with your Vitamin D levels as well. Food sources highest in Vitamin D include: canned sardines, salmon, tuna, sunflower seeds, liver, eggs, mushrooms, and fortified milk.
What else can you do naturally?
Most HPV infections are easily cleared by a strong, healthy immune system. You will likely clear the infection with no symptoms with a robust immune system. Your immune system can be supported in a number of natural ways:
Eat plenty of fruits and vegetables – fruits and vegetables contain many essential vitamins and nutrients to keep your body functioning at its best! These food groups are specifically high in antioxidants, which may help neutralize bad molecules floating around in your body.
Quit smoking – smoking single-handedly increases your risk for HPV-related cancers, even second-hand smoke exposure. While cutting down your cigarette count will still affect, nothing is quite as good as quitting entirely.
Reduce alcohol consumption – high consumption of alcohol is related to several negative risks, including a decrease in immune functioning.
Drink green tea – green tea has been shown in many studies to have immune-boosting benefits and anti-cancer effects, some specific to HPV.
Exercise to sweat – We recommend at least 20-30 minutes of light aerobic walking or cycling each day and 2-3 sessions of resistance training.
Get adequate sleep – getting 7 – 8 hours of high-quality sleep is important to regulate your bodily functions, including your circadian rhythm. All of these factors have a distinct effect on your ability to fight infections.
Jul 24, 2019
7 min read
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