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National Integrated Health Associates (NIHA)
Holistic Integrative Medicine & Dental Center
Leaders in integrative and functional medicine and holistic dentistry, National Integrated Health Associates (NIHA) has been serving the Washington, D.C., Maryland, and Northern Virginia metropolitan area since 1995. Patients come from all over the United States to visit our cutting-edge holistic health care center.
NIHA’s integrative and functional medicine doctors and dentists blend the best of Western medicine and safe, natural therapies for comprehensive holistic treatment to help the body heal. Our practice is unique, offering a wide range of medical and dental services in one convenient location. Our professional health team includes integrative and functional medical physicians, holistic dentist, naturopathic physicians, and health professionals highly skilled in chiropractic, acupuncture, massage, IV therapies, and other healing therapies.
What Patients Say
Great office, best doctors. Dr Kalva is amazing to work with. Appreciate everyone here in the office, so helpful and kind.
Absolutely fabulous place. Best doctors ever.

I have been seeing Dr. Kannankeril for a few years and she is actively helping to get my body balanced and healthy. She listens, is knowledgeable, up to date with new treatments and excellent in her field. I always feel confident in her care that she is supporting me to great health in a personal way.
Dr. Kalva is an EXTRAORDINARY GEM of a doctor. HE IS ONE OF A KIND. He’s compassionate, warm, and highly skilled in functional medicine. He has great knowledge on thyroid issues and progressive treatment. He’s a wonderful communicator with teens and parents. We have been so blessed to find him. His care has been transformative for our family.
Dr. Coy Roskosky is the best Chiropractor I’ve ever been to! I even trusted him working on my children. My son played football and Dr. Coy help tremendously!
This is an excellent dentist office. After moving to the area, I struggled to find a great dentist. Most dentists in the area were still okay with mercury based fillings and routinely told me I had cavities when I suspected that was not true. NIHA provided a healthy experience and in my opinion are much more trustworthy.
Exclusive NIHA Articles
Appetite Control Without Medications
What Determines Appetite Control? Appetite control is regulated by a complex neuroregulatory system. There are many factors affecting this mechanism to include the composition of your diet, side effect of medications, chronic stress, hormonal imbalances, and even the...
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You Just Received a Cancer Diagnosis- What’s Next?
You have just received a diagnosis of cancer. It is normal to feel overwhelmed and experience mood swings. Your emotions might range widely from fear and sadness to anger and disbelief. However, working through your emotions and making a plan may help you in your journey toward healing.
Is Your Brain Addicted to Sugar?
Research shows that sugar can trigger compulsive cravings and stimulate the need for more and more for the same effect, similar behavior to a drug addiction, although not classified as such. Many Americans had a rude awakening recently if they were in front of their...
How Probiotics Work in the Gut
Good Bugs Eat Bad Bugs The human body is an amazing biological machine. Food is digested, converted into energy and the unusable becomes waste. This conversion is dependent on many factors and processes but the bacteria that create the ‘enzymes’ that help...
Massage and the Mind-Body Connection
Updated April 6, 2020 Touch is a Basic Human Need Why does massage feel so good? When most people consider touch they think of skin and its soft, (or not so soft) supple texture, but touch reaches far deeper than the surface of our skin. Since touch affects us...



