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Medically reviewed by Vincent J. Tavella DVM, MPH – Written by Jamie Elmeron December 19, 2018

What is inflammation?

Inflammation happens in everyone, whether you’re aware of it or not. Your immune system creates inflammation to protect the body from infection, injury, or disease. There are many things you wouldn’t be able to heal from without inflammation.

Sometimes with autoimmune diseases, like certain types of arthritis and inflammatory bowel disease, your immune system attacks healthy cells.

Inflammation is classified into two main types:

• Acute inflammation usually occurs for a short (yet often severe) duration. It often resolves in two weeks or less. Symptoms appear quickly. This type... Read more

Medically reviewed by Deborah Weatherspoon, Ph.D. R.N. CRNA – written by Erica Cirino – updated on September 3, 2018

Overview

Everyone experiences occasional aches and pains. In fact, sudden pain is an important reaction of the nervous system that helps alert you to possible injury. When an injury occurs, pain signals travel from the injured area up your spinal cord and to your brain.

Pain will usually become less severe as the injury heals. However, chronic pain is different from typical pain. With chronic pain, your body continues to send pain signals to your brain, even after an injury heals. This can last several weeks to years. Chronic pain can limit your mobility and reduce your flexibility, strength, and... Read more

Medically reviewed by Nancy Hammond, M.D. – written by Alex Snyder on January 7, 2019

Multiple sclerosis

Multiple sclerosis (MS) is a progressive immune-mediated disorder that causes a person’s body to mistakenly attack the central nervous system (brain, spinal cord, optic nerve.)

When a person has MS, their central nervous system (CNS) becomes acutely inflamed. This inflammation damages the nerves by wearing away the protective layer of myelin that insulates the nerve fibers and facilitates the transmission of central nervous signals.

After enough damage is done to the myelin and nerve fibers, the transmission of signals becomes interrupted and can even be halted completely. As a result of this degeneration... Read more

Posted April 01, 2020, Updated April 06, 2020 Peter Grinspoon, MD Contributor – Harvard Health Publishing

As a primary care doctor who has incorporated medical cannabis into his practice, it is notable how many silver-haired patients are coming in to discuss the pros and cons of a trial of medical cannabis. These patients range from people in their 60’s with kidney failure who can no longer take certain pain medications but still need to manage chronic pain, to patients in their 90’s, who are looking for a good night’s sleep and are leery of the side effects of traditional sleep medications. Some of them—typically “children of the 60s”—are quite comfortable with the idea of using medical marijuana; others bring it up quietly,... Read more

Posted January 15, 2018, Updated April 10, 2020

Peter Grinspoon, MD Contributor – Harvard Health Publishing

There are few subjects that can stir up stronger emotions among doctors, scientists, researchers, policy makers, and the public than medical marijuana. Is it safe? Should it be legal? Decriminalized? Has its effectiveness been proven? What conditions is it useful for? Is it addictive? How do we keep it out of the hands of teenagers? Is it really the “wonder drug” that people claim it is? Is medical marijuana just a ploy to legalize marijuana in general?

These are just a few of the excellent questions around this subject, questions that I am going to studiously avoid so we can focus on two specific areas: why... Read more

By Edward Bilsky, PhD, Pacific Northwest University of Health Sciences

Management of chronic pain is challenging enough given the myriad of pain diagnoses and the complexity of the underlying pathology that drives persistent pain. Highly coordinated, multidisciplinary care is central to limiting the impact that pain has on overall health and well-being. Unfortunately, this care is not always affordable or accessible to many patients. Living in rural and medically underserved areas presents additional challenges in receiving optimal care, as I have personally witnessed over several decades living and working in Maine and now Washington State, which both have large rural areas. The global pandemic, which has upended so many... Read more

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