Marcelo Campos, MD

Marcelo Campos, MD works as a primary care doctor at Harvard Vanguard. He is a lecturer at Harvard Medical School and clinical assistant professor at Tufts University School of Medicine. Dr. Campos completed medical school in Brazil and a family medicine residency at Baylor College of Medicine in Houston, TX. His interests are immigrant health, LGBT health, opioid use disorders, and integrative and functional medicine. Functional medicine uses an innovative framework to address chronic diseases, trying to find the root cause when possible and collaborate with patients to bring much needed balance to create health, primarily with lifestyle changes.

Posts by Marcelo Campos, MD

Food allergy, intolerance, or sensitivity: What’s the difference, and why does it matter?

Many people have experienced unpleasant symptoms related to food, but such a reaction does not necessarily mean that you have a food allergy. The symptoms could indicate a food intolerance, food sensitivity, or possibly celiac disease.

Need to check your thyroid? Maybe not

People who think they have hypothyroidism (an underactive thyroid) may expect or request a wide range of blood tests to confirm diagnosis. Yet a much simpler, less costly test can identify hypothyroidism in almost everyone.

Acne: What you need to know

Acne is common during adolescence but for many people the condition lingers well into adulthood. The question of whether there is a connection between diet and acne has not been adequately answered–however, there are a variety of treatments available including over-the-counter and prescription products.

6 steps toward a successful exercise resolution

Many people want to be more active, but don’t follow through on their fitness goals. First reflect on your reasons for wanting to exercise, and what’s holding you back from doing it. Then create a plan that is realistic and fits into your life.

Alcohol use disorder: When is drinking a problem?

While it may have been overshadowed by the opioid epidemic, alcohol use disorder is at least as common, if perhaps not quite as sensationalized. Many people do not realize that medications and counseling can help people reduce or eliminate their alcohol use.

What is keto flu?

People who switch to a ketogenic diet in order to lose weight sometimes experience symptoms including fatigue, nausea, and irritability–keto flu–that appear to be connected to the change in diet, though the exact reason why is unknown.

Orthorexia: The extreme quest for a healthy diet

The goal of eating the healthiest possible diet is wise and admirable, but this pursuit can sometimes become an unhealthy fixation on healthy eating called orthorexia, which can lead to anxiety and social isolation.

Lifestyle change as precision medicine

Precision medicine promises individualized approaches to prevention, diagnosis, and treatment of chronic diseases. Yet finding a way to incorporate healthy habits into your unique lifestyle may be a form of precision medicine with known benefits that is available today.

Probiotics for bipolar disorder mania

There is growing evidence that mood disorders may be linked to inflammation and the bacteria in our digestive tracts, so researchers wanted to see if a probiotic compound could help patients with bipolar disorder who had been hospitalized for mania avoid relapse and rehospitalization.

Lyme disease: Resolving the “Lyme wars”

Most people who get Lyme disease recover after a course of antibiotics, but some patients continue to experience symptoms for months or even years. There is much controversy around post-treatment Lyme disease, particularly in how long patients should continue taking antibiotics.