Before It Looks Like Cancer... It Looks Like This: 9 Early Signs You Should Know

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Before It Looks Like Cancer... It Looks Like…

The human body is designed to survive. Every second of every day, it is working to maintain balance—a state known as homeostasis. The immune system identifies and removes damaged cells. DNA repair systems fix replication errors and genetic mistakes. The liver detoxifies harmful compounds. Cells repair themselves, replace old tissue, and adapt to stress. Millions of microscopic healing processes are happening every single day without us ever noticing.

Cancer doesn't develop because the body suddenly "fails." It develops when the cumulative burden of stress and damage begins to outpace the body's ability to repair and adapt.

In fact, research suggests that many cancers develop over a long period of time. In many cases, it may take 8-10 years or longer for a single abnormal cell to grow into a tumor large enough to be detected. During those years, the body gives several warning signs.

Before a tumor shows up on a scan, subtle changes are taking place throughout the body. Unfortunately, many of these changes are dismissed as "just getting older." But the body is constantly communicating.

These patterns don't necessarily mean someone has cancer. They also don't guarantee cancer will develop. However, they can be signs that the demands being placed on it are beginning to exceed its capacity to fully recover.

It's helpful to think of cancer as more than simply a tumor. A tumor is the visible endpoint of a much longer biological process. Before cancer becomes clinically detectable, there are often widespread changes in the body's internal environment that influence how cells function, repair themselves, communicate, and respond to stress.

The encouraging part is that this process usually doesn't happen overnight.

This means there is a meaningful window of opportunity to support the body's natural defenses. Improving sleep, reducing chronic stress, supporting metabolic health, eating a nutrient-dense diet, exercising regularly, maintaining a healthy weight, and addressing chronic inflammation are all evidence-based ways to create conditions that support healthy cellular function and reduce cancer risk.

The goal isn't to live in fear of every symptom. It's to pay attention to the patterns your body is giving you instead of assuming they're simply part of aging. ⬇️

1. High cortisol levels.

Cortisol, the body's primary stress hormone, is a powerful immunosuppressant, making it harder for the body to recognize cancer cells. Cortisol disrupts normal metabolism, shifting the body into a catabolic state that breaks down muscle and other tissues, releasing free amino acids and fats that disrupt healthy cell function. Healthy cortisol levels are essential for a healthy metabolism, weight management, and proper tissue function.

Signs of high cortisol:

• Anxiety and feeling “wired”

• Poor sleep

• Belly fat/weight gain

• Blood sugar instability

• High blood pressure

• Rapid heartbeat

• Muscle breakdown

• Fatigue

• Brain fog

• Frequent infections

• Hair loss

2. Insulin resistance.

Insulin resistance occurs when cells stop responding properly to insulin, forcing the body to produce chronically elevated insulin levels to keep blood sugar stable. Over time, this creates a high-stress metabolic environment characterized by inflammation, poor mitochondrial function, oxidative stress, and impaired cellular energy production.

Insulin is also a major growth signal in the body. Chronically elevated insulin promotes cell proliferation, fat storage, inflammation, angiogenesis, and abnormal growth signaling. High insulin levels are strongly associated with obesity, fatty liver disease, cardiovascular disease, hormonal dysfunction, and many cancers.

Signs of insulin resistance:

• Belly fat/weight gain

• Blood sugar crashes

• Fatigue after eating

• Constant hunger/cravings

• High triglycerides

• High blood pressure

• Brain fog

• Skin tags

• Darkened skin folds

• Poor energy production

• PCOS and hormonal dysfunction

3. Low progesterone.

Progesterone is one of the body’s primary protective and stabilizing hormones. It helps balance the effects of estrogen, supports healthy thyroid function and metabolism, regulates the nervous system, promotes cellular differentiation, and protects against excessive inflammation and tissue proliferation.

When progesterone levels are low, the body often shifts into a more inflammatory, estrogen-dominant, stress-driven state. Low progesterone is associated with anxiety, poor sleep, fluid retention, blood sugar instability, impaired mitochondrial function, and excessive tissue growth. Without sufficient progesterone, estrogen’s proliferative effects become less regulated.

Signs of low progesterone:

• PMS and mood swings

• Anxiety

• Insomnia

• Heavy or painful periods

• Breast tenderness

• Irregular menstrual cycles

• Infertility

• Migraines

• Water retention/bloating

• Low libido

• Fatigue

4. High prolactin.

Chronically elevated prolactin (outside of breast feeding) is a major stressor on the body. High prolactin often parallels low thyroid function because thyroid hormone normally helps regulate metabolism, dopamine activity, and prolactin production. When thyroid function is low, prolactin frequently rises.

Like low thyroid states, elevated prolactin is associated with excessive tissue growth, slowed metabolism, reduced mitochondrial energy production, impaired cellular respiration, increased inflammation, estrogen dominance, water retention, fibrosis, and chronic stress physiology. High prolactin may also suppress progesterone, testosterone, dopamine, and healthy reproductive function.

Signs of elevated prolactin:

• Fatigue and low motivation

• Brain fog

• Depression or emotional flatness

• Anxiety and poor stress tolerance

• Low libido

• Infertility

• Irregular or missing menstrual cycles

• Breast tenderness or enlargement

• Lactation/discharge

• Erectile dysfunction

• Low testosterone symptoms

• Weight gain

• Water retention

  

5. Iron overload.

Iron excess becomes highly inflammatory and damaging to tissues. Today many people have iron overload from supplements and fortified foods. Excess iron increases oxidative stress and tissue injury, contributing to fibrosis, metabolic dysfunction, mitochondrial stress, and abnormal cellular behavior over time. Cancer cells also require large amounts of iron to support rapid growth and proliferation.

Signs of high iron:

• High blood pressure

• Fatigue

• Joint pain

• Liver dysfunction

• Insulin resistance

• Diabetes

• Heart problems

• Hormonal dysfunction

• Cognitive issues

6. Low thyroid function.

Hypothyroidism is extremely common. Low thyroid function creates a low-energy, low-oxygen metabolic state in the body.When thyroid function is low, cells rely more heavily on stress metabolism and glycolysis. This contributes to lactate production, poor oxygen utilization, fibrosis, inflammation, impaired detoxification, immune dysfunction, estrogen dominance, and chronic elevations in stress hormones like cortisol, all conditions associated with degeneration and cancer progression. Low thyroid function also slows tissue repair and reduces the body’s ability to maintain organized, healthy cellular structure over time.

Signs of low thyroid function:

• Fatigue and low energy

• Cold hands and feet

• Low body temperature

• Weight gain

• Brain fog

• Depression

• Hair loss, thinning hair

• Dry skin

• Constipation

• Fluid retention/puffiness

• High cholesterol

• Slow heart rate

• Poor circulation

• Infertility or irregular cycles

7. Elevated lactate.

At the end of cellular respiration (cell metabolism), a healthy cell will produce carbon dioxide. A stressed cell will produce lactate. When the stressor isn’t resolved (injury, toxin, deficiency, etc.) the cell can be trapped in inefficient metabolism and produce excessive lactate. This is actually a hallmark of cancer, known as the Warburg effect. Lactate acidifies the surrounding tissues which damages healthy cells, disrupts normal tissue structure, and creates conditions that encourage more cells to become cancerous. It suppresses immune defenses, promotes new blood vessel formation, and breaks down barriers that would otherwise keep cancer contained. Supporting CO2 production over lactate is essential for cancer prevention.

Signs of elevated lactate:

• Fatigue and low energy

• Muscle burning/heaviness

• Shortness of breath

• Poor exercise tolerance

• Brain fog

• Anxiety or feeling “wired”

• Rapid heartbeat

• Cold hands and feet

• Poor oxygen utilization

• Headaches, nausea, and dizziness

  

8. Elevated serotonin.

Serotonin is often seen as a neurotransmitter tied to mood, but it is actually an intense stress signal. In a healthy system, serotonin supports wound healing by promoting cell proliferation, angiogenesis (new blood vessel formation), and tissue remodeling, processes essential for repair. However, persistent serotonin activity may contribute to inflammation, fibrosis, excessive tissue growth, vasoconstriction, impaired mitochondrial function, and cancer developement. High serotonin levels are linked to more aggressive cancers, making it an important target for treatment.

Signs of elevated serotonin:

• Anxiety and agitation

• Poor sleep/insomnia

• Feeling “wired but tired”

• Muscle tension

• Digestive issues/bloating

• IBS-like symptoms

• Migraines and headaches

• Increased sensitivity to stress

• Fatigue despite overstimulation

• Brain fog

• Panic attacks

• Cold hands and feet

• High estrogen symptoms

• Fibrosis and tissue stiffness

• Water retention

• Nausea

9. High estrogen.

High estrogen often rises under stress and tissue injury because estrogen is involved in growth, repair, and regeneration. In the short term, this can be beneficial. Estrogen helps stimulate cell proliferation, angiogenesis (new blood vessel formation), collagen production, and tissue remodeling, all processes needed for wound healing and repair after injury.

The problem occurs when estrogen remains chronically elevated. Persistent proliferative signaling can push tissues into a constant growth and repair state, increasing inflammation, fibrosis, disorganized tissue growth, and the likelihood of abnormal cellular behavior over time.

Signs of elevated estrogen:

• Heavy or painful periods

• PMS and mood swings

• Breast tenderness or swelling

• Water retention and bloating

• Weight gain (especially hips/thighs)

• Fibrocystic breasts

• Headaches or migraines

• Anxiety and irritability

• Fatigue

• Brain fog

• Endometriosis or fibroids

• Histamine intolerance/allergy symptoms

• Thyroid suppression symptoms

The good news is that many of these imbalances can be monitored through routine blood work and addressed long before disease becomes clinically apparent. While no test can predict the future, paying attention to your health gives you the opportunity to support your body early instead of waiting until something becomes serious.

I think it's so important to be proactive. No one knows your body better than you do. If something feels off, don't automatically assume it's "just getting older" or that it's something you simply have to live with. Your body is constantly communicating with you. Fatigue, poor sleep, brain fog, hormonal changes, digestive issues, and low energy aren't things we should normalize—they're often signals that your body needs more support.

The most encouraging part is that we have far more influence over our health than many people realize. Every day, we have opportunities to improve the environment our cells live in—through the food we eat, how we sleep, how we manage stress, how we move our bodies, and how we care for ourselves. Small changes, practiced consistently, can have a profound impact over time.

I don't want cancer to be the thing that finally convinces someone to prioritize their health. I want people to know that they deserve to feel well before they ever receive a diagnosis. You deserve to sleep through the night. You deserve steady energy. You deserve healthy hormones, a clear mind, and a strong body.

Your health isn't built overnight—and neither is disease. Your body is always trying to heal, and every healthy choice is another opportunity to help it do exactly that!

If you are looking for personal guidance on prevention and health optimization you can contact the center at 949-680-1880. Our team takes the most comprehensive approach and looks at all the underlying metabolic, nutritional, emotional, and environmental factors that influence health. For a full list of services, please see below!

The Cancer Revolution is now available ❤️

This book is my guide to cancer prevention and treatment. In this fully updated second edition, I walk through how I approach cancer from an integrative, metabolic perspective.

I go deeper into:

• The lab markers I monitor

• Cancer-specific testing and early detection tools

• How metabolic dysfunction precedes tumor formation

• Hormone balance, inflammation, and mitochondrial health

• Updated nutrition guidance and structured food plans

• Practical lifestyle interventions that support cellular repair

• Emerging tools including immunotherapy and voltage/frequency medicine

This edition is designed for anyone who wants to understand cancer beyond genetics—and learn what can be done proactively, both for prevention and during treatment.

There’s so much we can do to support healing and live a full, cancer-free life. 💪

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• Hachette Book Group

• Barnes & Nobel 

• Books a Million

• Bookshop 

Talk soon ❤️,

Dr. C