Modern medicine rarely explores the true root causes of illness. Instead, treatments often focus on masking symptoms rather than resolving what’s really going on beneath the surface.
Nowhere is this more evident than with depression.
Most mainstream medical professionals—and the pharmaceutical industry—continue to promote the serotonin theory, suggesting depression is simply caused by low serotonin levels and can be corrected with SSRI antidepressants.
But is that the full story?
Do Antidepressants Really Work?
A widely cited study, the STAR*D trial (published in 2006), claimed antidepressants were effective for nearly 70% of patients.
Sounds promising…until you take a closer look.
A 2023 reanalysis by psychologist Ed Pigott and his team revealed serious flaws in how the study was conducted. When proper protocols were applied, the actual remission rate dropped to about 35%.
Even more concerning? Only 3% of patients remained in remission after one year—a statistic that was not highlighted in the original findings.
Additionally, many clinical trials have shown that antidepressants often perform no better than placebo, and growing research continues to challenge the serotonin theory altogether.
Meanwhile, one intervention consistently outperforms them:
👉 Physical exercise—shown to be about 1.5 times more effective than SSRIs for reducing depression symptoms.
The Overlooked Root Causes of Depression
Depression is complex, and for many people, it’s not just about brain chemistry. Several underlying factors may be contributing—and addressing them can make a meaningful difference.
1. Blood Sugar Imbalances
Diets high in refined carbohydrates—like white bread, pastries, chips, and soda—can cause spikes and crashes in blood sugar, which directly impact mood and energy levels.
What helps:
Focus on stabilizing blood sugar by reducing refined carbs and prioritizing protein, healthy fats, and fresh vegetables.
2. Low Thyroid Function
An underactive thyroid (hypothyroidism) is frequently linked to symptoms of depression but often goes undiagnosed.
What helps:
Ask your doctor about comprehensive thyroid testing, such as a TRH stimulation test, to evaluate function more accurately.
If support is needed, many people respond well to natural thyroid hormone options like Armour Thyroid rather than synthetic alternatives.
3. Gut Inflammation
Your gut and brain are deeply connected through the vagus nerve. Inflammation in the gut can send signals that negatively affect mood and mental health.
What helps:
Support gut health with whole foods, fermented options like sauerkraut, yogurt, kimchi, cottage cheese, and apple cider vinegar.
It’s also important to reduce inflammatory fats—especially omega-6 linoleic acid found in seed oils, fried foods, and conventionally raised meats.
4. B Vitamin Deficiency
Vitamins B3, B6, and especially B12 play a critical role in brain function and mood regulation. Deficiencies are more common than many realize.
What helps:
Ensure adequate intake through diet or a high-quality B-complex supplement.
A targeted option like Hydroxaden 2.5 Vitamin B Formula provides a therapeutic dose of B12 along with key supporting nutrients like B3, B6, and riboflavin to help support mental wellness.
5. Vitamin D Deficiency
Low vitamin D levels have been strongly associated with increased rates of depression.
What helps:
Safe sun exposure when possible, and supplementation when needed—especially if you’re not getting consistent sunlight year-round or regularly use sunscreen.
A comprehensive option like Optimum DK Formula with FruiteX-B can help support healthy vitamin D levels while also providing vitamin K for proper balance and utilization.
6. Omega-3 Fatty Acid Deficiency
Omega-3s (EPA and DHA) are essential for brain health, supporting everything from neural communication to inflammation control.
What helps:
Incorporate wild-caught fatty fish like salmon (never farmed when possible).
For additional support, a high-quality fish oil such as VitalMega-3 can help promote healthy brain function, balanced mood, and cardiovascular health.
A Common—but Rarely Discussed—Cause
Prescription Medications
Over 200 prescription drugs have been linked to depression or list it as a side effect.
Some of the most common include:
- ADHD medications
- Antibiotics
- Anti-anxiety drugs (benzodiazepines)
- Beta-blockers
- Birth control pills
- Corticosteroids
- Acid reflux medications
- Statins
- Smoking cessation drugs
Many of these are widely prescribed—raising an important question:
Could some cases of depression be medication-induced?
Even more concerning, some of these drugs are also associated with increased risk of suicidal thoughts.
So What Can You Do?
If you’re struggling with depression, it’s worth taking a step back and looking at the bigger picture.
- Review any medications you’re taking and check for mood-related side effects
- Talk with your doctor about possible alternatives
- Consider natural options like fish oil for cholesterol or blood pressure, digestive enzymes for acid reflux, or turmeric for pain relief
- Prioritize whole, nutrient-dense foods
- Support gut and metabolic health
- Stay active—regular movement is one of the most powerful tools available
- Manage stress and stay hydrated
Most importantly, don’t settle for symptom management alone.
Get to the root cause.
When you address the underlying imbalances, real healing becomes possible—and lasting improvement is within reach.
To your health,
Sherry Brescia
