Medically Reviewed By: Dr. Juliana Nahas, MD, FAAP, FMACP
Autism Spectrum Disorder (ASD) is a neurodevelopmental condition that reflects differences in how the brain develops, processes information, and responds to the world. Children with autism have unique strengths, challenges, and support needs.
At Cedars Functional Medicine, our role is to support the medical and biological factors that influence how a child with autism feels and functions day to day — with a particular focus on nutrition, gut health, nutrient absorption, inflammation, and environmental exposures that affect the gut–brain connection.
We care for children with autism from across Florida, working alongside families, pediatricians, therapists, and schools to support health, regulation, and quality of life.
Autism is best understood as a multifactorial neurodevelopmental condition, meaning it arises from a complex interaction of genetic, biological, and environmental factors. There is no single cause, trigger, or pathway that explains autism for every child.
Decades of medical research show that autism reflects differences in early brain development, influenced by multiple factors that may vary from child to child.
Research has identified several contributors that may play a role in autism development or symptom expression, including:
These factors do not act in isolation, and their influence differs widely between individuals.
Autism is not explained by a single exposure, event, or parenting decision. No one factor — genetic, environmental, nutritional, or otherwise — accounts for all cases.
Current medical understanding recognizes autism as a developmental difference that begins early in life, rather than something caused by a single postnatal trigger.
This perspective allows us to move away from blame or oversimplification and toward practical, compassionate support.
The brain does not function independently from the body.
Medical research consistently shows that children with autism experience higher rates of:
The gut–brain axis — the two-way communication between the digestive system, immune system, and nervous system — plays a major role in how children regulate:
When gut health or nutrient absorption is compromised, neurologic regulation often becomes more difficult.
Our evaluations follow standard pediatric and developmental guidelines, while expanding the medical lens to identify modifiable biological contributors that may worsen symptoms or reduce quality of life.
Depending on the child, we may assess:
This approach is supportive, not blaming, and always individualized.
Many children with autism have:
Even when calorie intake is adequate, micronutrient deficiencies may still occur.
Research supports the importance of nutrients involved in:
Optimizing nutrition can support:
This is not about “perfect diets.” It’s about meeting the brain’s basic biological needs.
Children with autism commonly experience:
These symptoms can interfere with:
Supporting gut health often leads to meaningful improvements in overall regulation and comfort, even when core autism traits remain.
Developing nervous systems are particularly sensitive to environmental stressors.
Medical literature describes associations between autism symptom severity and:
When clinically appropriate, identifying and reducing toxic load can help lower neurologic stress and support resilience.
Families often notice improvements in:
This medical foundation often makes therapies, education, and daily routines easier and more effective.
Clarity matters.
We do not provide ABA therapy, psychotherapy, behavioral therapy, or autism coaching.
Our role is medical and functional:
We focus on the biology that supports the brain, not behavior modification.
Autism is a difference, not a defect.
By supporting nutrition, absorption, gut health, and environmental balance, we help children with autism feel more comfortable in their bodies and better supported in daily life — throughout Florida.
Dr. Juliana Nahas, MD, FAAP, FMACP
When Dr. Nahas was a young doctor, she had two separate parents with a child with ADHD come in to the clinic in one day, and one parent asked for medication straight away, while the other refused medication and was seeking natural solutions instead.
ADD/ADHD
Conduct & Oppositional Disorders
Anxiety, Worry & Panic in Kids
Autism Spectrum Support
PANDAS / PANS
Immune-Triggered Neuropsychiatric Symptoms
OCD, Intrusive Thoughts & Compulsions
Mood Dysregulation
Depression
Sleep Issues & Fatigue in Children
Gut-Brain Symptoms
Food Sensitivities & Nutrient Deficiencies
Dr. Nahas’s private practice is 100% virtual and serves patients across the entire state of Florida. While the practice is registered in St. Petersburg, care is delivered remotely, allowing access to individuals and families throughout Florida without geographic restriction.