A strong immune system is one of your body’s greatest defenses against illness. While no one can completely avoid getting sick, there are many ways to support your immune system so it can do its job more effectively. The good news is that building a healthy immune system does not require expensive supplements or complicated routines. Instead, it starts with the everyday choices you make.
At Cullman Internal Medicine, we believe that good health is built on a strong foundation. Four key pillars support your immune system: quality sleep, balanced nutrition, regular movement, and stress management. When these healthy habits work together, they help your body stay resilient throughout every season of the year.
Here is what you should know about naturally supporting your immune system.
Why Your Immune System Matters
Your immune system is a complex network of cells, tissues, and organs that work together to protect your body from bacteria, viruses, and other harmful organisms. Every day, your immune system identifies potential threats and responds to keep you healthy.
As we age, our immune response naturally changes. Certain medical conditions, medications, and lifestyle habits can also affect how well our immune system functions. While there is no magic solution that guarantees you will never get sick, healthy daily habits can help your immune system perform at its best.

Pillar One: Prioritize Quality Sleep
Sleep is often overlooked, but it is one of the most important ways to strengthen your immune system. During sleep, your body repairs damaged tissues, regulates hormones, and produces immune cells that help fight infections.
Adults should aim for seven to nine hours of quality sleep each night. Consistently getting too little sleep can weaken your body’s natural defenses and make it harder to recover from illness.
If you struggle with sleep, consider these healthy habits.
Maintain a consistent bedtime and wake up at the same time every day.
Limit screen time for at least an hour before bed.
Keep your bedroom cool, dark, and quiet.
Avoid large meals, caffeine, and alcohol close to bedtime.
Develop a relaxing evening routine by reading, stretching, or practicing deep breathing.
If you regularly have trouble falling asleep, staying asleep, or wake feeling tired despite getting enough hours of rest, talk with your healthcare provider. Sleep disorders such as sleep apnea are common and can significantly affect your overall health.
Pillar Two: Nourish Your Body with Healthy Foods
Your immune system depends on proper nutrition to function well. Every meal provides vitamins, minerals, antioxidants, healthy fats, protein, and fiber that support immune health.
Rather than focusing on individual “superfoods,” aim for a balanced eating pattern that includes a wide variety of nutrient-rich foods.
Fill your plate with colorful fruits and vegetables. These foods provide important vitamins such as vitamins A and C, along with antioxidants that help protect your cells from damage.
Choose lean sources of protein, including fish, poultry, beans, eggs, and Greek yogurt. Protein helps your body build antibodies and repair tissues.
Include healthy fats from foods like avocados, nuts, seeds, olive oil, and fatty fish. These fats help reduce inflammation and support healthy cell function.
Choose whole grains whenever possible. Oatmeal, brown rice, quinoa, and whole wheat bread provide fiber that supports a healthy gut. A healthy digestive system plays a major role in immune function because much of the body’s immune activity begins in the gut.
Do not forget to stay hydrated. Water supports nearly every process in your body, including circulation and the transport of nutrients that help your immune system function properly.
Pillar Three: Keep Moving Every Week
Exercise does much more than improve strength and heart health. Regular physical activity also supports your immune system by improving circulation, reducing inflammation, and helping immune cells move more efficiently throughout the body.
You do not have to spend hours at the gym to experience these benefits. Even moderate activity performed consistently can make a difference. Adults should aim for at least 150 minutes of moderate exercise each week, along with strength training at least two days per week.
Fortunately, Cullman offers plenty of opportunities to stay active. Walking through local parks, hiking nearby trails, biking, gardening, or simply taking an evening walk around your neighborhood are all excellent ways to move your body.
Remember that consistency matters more than intensity. Finding activities you enjoy makes it easier to stay active throughout the year.
If you have chronic medical conditions or have not exercised in some time, our team at Cullman Internal Medicine can help you choose activities that fit your current health and fitness level.
Pillar Four: Manage Stress for Better Health
Stress is a normal part of life, but chronic stress can weaken your immune system over time.
When you experience ongoing stress, your body produces higher levels of cortisol, often called the stress hormone. Elevated cortisol levels over long periods can interfere with your body’s normal immune response and increase inflammation. Managing stress is an important part of staying healthy.
Sometimes stress becomes overwhelming despite your best efforts. If feelings of anxiety, sadness, or burnout begin affecting your daily life, do not hesitate to seek help. Mental health is an essential part of overall wellness, and your healthcare provider can help connect you with appropriate resources and treatment options.

Do Not Forget Preventive Care and Vaccinations
Healthy lifestyle habits provide an excellent foundation for a strong immune system, but preventive healthcare is equally important.
Vaccinations help train your immune system to recognize and fight certain serious illnesses before you are exposed. They remain one of the safest and most effective ways to reduce your risk of preventable diseases.
Depending on your age, medical history, occupation, and other risk factors, your healthcare provider may recommend vaccines such as the annual influenza vaccine, COVID 19 vaccine, shingles vaccine, pneumonia vaccine, tetanus booster, or the RSV vaccine for eligible adults.
Regular wellness visits also allow your provider to monitor chronic conditions such as diabetes, high blood pressure, and heart disease, all of which can affect your overall health and immune function. Preventive screenings and routine blood work can identify potential concerns before they become more serious.
Healthy Habits Add Up Over Time
Supporting your immune system is not about perfection. It is about making consistent choices that strengthen your body over time.
Getting enough sleep, eating nutritious foods, staying physically active, managing stress, keeping up with recommended vaccinations, and attending regular checkups all work together to help your body stay healthy.
Even small improvements can make a meaningful difference. Choosing to take a daily walk, adding an extra serving of vegetables to dinner, going to bed thirty minutes earlier, or setting aside time to relax each day are all positive steps toward better health.
Partner with Cullman Internal Medicine
At Cullman Internal Medicine, our goal is to help patients stay healthy through every stage of life. We believe prevention is one of the most powerful tools in healthcare, and our experienced team is here to support you with personalized care, preventive screenings, chronic disease management, wellness visits, and immunization recommendations.
Whether you are looking to improve your overall health, manage an ongoing medical condition, or simply take proactive steps to strengthen your immune system, we are here to help.
Schedule your annual wellness visit with Cullman Internal Medicine today and let us partner with you in building healthy habits that support a stronger immune system and a healthier future.

Bethany is a board-certified family medicine Nurse Practitioner. She grew up in Cullman, watching her father, a physician, and her mother, a nurse, care for patients with both their hearts and hands. She learned from them that not only working hard, but loving and treating patients like family would develop the career that best suited her desire to help others. She has been caring for patients at Cullman Internal Medicine for 25 years. Building long-lasting relationships with her patients is important to her, and she genuinely enjoys being a part of their lives. She strives to provide compassionate, competent medical care which fosters an environment of mutual trust and respect.
Bobi Jo Creel is a board-certified Acute Care Nurse Practitioner (ANCC-ACNP) with over 20 years of nursing experience. Born and raised in Cullman County, Alabama, she is deeply committed to providing compassionate, high-quality care to adults and seniors in her local community.
Alicia is from Thomasville, Ga, but practiced in Burlington, Iowa from 2017 until joining Cullman Internal Medicine in 2025. Most of Alicia’s experience is in rural primary healthcare, which is where she learned of her passion for caring for patients with diabetes. From 2023 – 2025, her sole focus was assisting individuals in manage their condition more effectively, with a strong emphasis on long-term health and prevention of complications.
Pam is a lifelong resident of Marshall County and a graduate of Albertville High School, Class of 1976. She earned her Bachelor of Science in Nursing from the University of Alabama at Birmingham in 1981. Pam began her career in emergency and critical care nursing, serving in both the ER and ICU. When Marshall Medical Center North (MMCN) opened in 1990, she became the Nurse Manager of the ICU.
Stacey Varden is a board-certified Nurse Practitioner who works alongside Dr. Jeremy Stidham in Internal Medicine. She earned her Master’s degree in Nursing from the University of Alabama at Birmingham and collectively has over 18 years of nursing experience. Before becoming a Nurse Practitioner, she served as a Registered Nurse in the Emergency Department at Children’s of Alabama, where she developed a strong foundation in acute and compassionate patient care.
Lorie Jones is a board-certified Family Nurse Practitioner born & raised in Cullman, Alabama. Her nursing career began in 1997 after earning her Licensed Practical Nursing diploma from Wallace State Community College, followed by an Associate Degree in Nursing in 2000. She gained extensive clinical experience working at both Woodland Medical Center and Cullman Regional Medical Center before advancing her education to become a nurse practitioner.
Mollie Dockery, MSN, FNP-C, is a board-certified Family Nurse Practitioner with a passion for providing compassionate, evidence-based care to patients of all ages. With over 14 years of nursing experience and two years in advanced practice, Mollie brings a deep understanding of patient needs, especially in managing chronic conditions and promoting preventive health. Her approach is rooted in empathy, education, and a strong commitment to individualized care.
Kristy is known for providing personalized, expert care in Sleep and Lung Health, where she empowers patients thru education, awareness, supportive listening and compassionate guidance. A Cullman native, Kristy is deeply rooted in our community and shares a sincere
With over 15 years of nursing experience, Nancy Cornell is a dedicated and compassionate Family Nurse Practitioner (NP) committed to providing high-quality care to her patients. After earning a Bachelor’s degree in Nursing from Western Governors University in 2017, she went on to complete her Master’s degree in Nursing in 2022. For two years, Nancy has been a Certified Family Nurse Practitioner, applying her expertise in community urgent care to treat a diverse range of health needs.
Clark Still is a Licensed Professional Counselor with Cullman Internal Medicine. Clark is also the founder of New Beginnings Counseling of Cullman. He specializes in Christian-Based Professional Counseling.
Charlie Thornton has spent more than 24 years caring for others in a variety of healthcare roles—including paramedic, registered nurse, and for the past 10 years, nurse practitioner. He began his training at Wallace State Community College, completed his nursing degree at Jacksonville State University, and went on to earn graduate degrees from the University of South Alabama, where he became board certified as both a Family Nurse Practitioner and an Adult-Gerontology Acute Care Nurse Practitioner.
Jeremy Stidham, M.D., is a board-certified internal medicine physician who has been caring for patients in Cullman for more than 15 years. He currently serves as President of Cullman Internal Medicine and the Cullman Physician Alliance, where he works alongside a team of dedicated colleagues to provide compassionate, patient-centered care.
Nathan is a highly experienced Nurse Practitioner with a rich background spanning over two decades in healthcare. For the past ten years, Nathan has been a vital part of the CIM team as a Nurse Practitioner, also serving as a hospitalist nurse practitioner when needed. His extensive foundation was built over 19 years as a critical care registered nurse. Nathan is an alumnus of Wallace State Community College (RN), Jacksonville State College (BSN), and UAB (MSN), holding his nurse practitioner certification from the ANCC.
Dr. Benjamin Rogers obtained a degree in Classical Studies from Hillsdale College before attending medical school at The University of Alabama at Birmingham. He then completed an internship and residency in Internal Medicine at Wake Forest University. He joined Cullman Internal Medicine in 2012.
Morgan McHugh, CRNP, is a board-certified Family Nurse Practitioner with a special focus on diabetes management. A native of Hartselle, Alabama, she earned her Bachelor of Science in Nursing from the University of Alabama at Birmingham and her Master of Science in Nursing from the University of Alabama in Huntsville.
Dr. Erin Britt is a compassionate physician proudly serving her local community as a hometown provider. Raised in Cullman, Alabama, Dr. Britt graduated from Cullman High School. Her desire to care for others lead to enrollment at the Alabama College of Osteopathic Medicine (ACOM), where she earned her medical degree.
The goal of my practice is to help patients achieve optimal health. Eating a balanced diet, exercising, taking care of our mental health, and achieving quality sleep are all crucial for feeling good and living a healthy, enjoyable life. However, sometimes weight gain and hormone imbalances can get in the way.
Naykala is a Triple Board-Certified physician with over 25yrs of experience, dedicated to delivering comprehensive patient-centered care. Her practice emphasizes a whole-body approach, combining traditional Internal Medicine with advanced training in Obesity Medicine and Medical Acupuncture. She evaluates complex medical conditions with a focus on identifying root causes–especially those contributing to weight gain—and provides thoughtful, integrative treatment plans. Naykala’s 10 years of service in the U.S. Air Force deepened her commitment to non-pharmacologic pain management, and acupuncture has become a meaningful part of how she cares for patients.
Dr Parker grew up in Cullman County and attended West Point High School. His path to medicine was not direct. After high school, He attended Wallace State Community college and received an associates degree in business. Shortly after graduating Brian was married to his wife Karen. Unsure of what to do next he left his job as a butcher for the local Walmart distribution center where he would work for the next 7 years. After reflecting on his goals and desire to help others he decided to pursue medicine.
Dr. Vintson is a Board Certified Family Medicine Physician originally from Cullman. She graduated medical school from Edward Via College of Osteopathic Medicine in Auburn, AL, and completed residency training at UAB Family Medicine in Huntsville. Dr. Vintson practices medicine seeing the patient as a whole person, understanding there are many components of one’s life that affects overall health and wellness. She loves seeing a variety of patient ages throughout her day and feels this is what makes family medicine and primary care so special. In addition to routine primary care she especially enjoys women’s health and preventative medicine, including Pap smears and menopause care, as well as diabetes management, nutrition, and mental health care. Dr. Vintson loves the Lord and enjoys time on the lake with her family, fishing, hunting, gardening, and podcasts. She has two young children and a loving husband of 12 years.
Dr. Adam Harrison is proud to serve his hometown of Cullman as a dedicated physician. A local from East Elementary through Cullman High, he earned his Biomedical Sciences degree from Auburn University, completed medical school at Philadelphia College of Osteopathic Medicine, and his residency at UAB Huntsville Family Medicine. Drawn by the opportunity to give back to his community, Dr. Harrison chose to build his career at Cullman Internal Medicine.