Frequently Asked Questions
Straightforward thyroid answers so you can feel like yourself again.
What is the biggest cause of fatigue in society today?
One of the biggest drivers of fatigue today is ongoing, unmanaged stress that overworks your body’s stress-response system. Your adrenal glands, which sit on top of your kidneys, release cortisol to help you deal with challenges and give you a short burst of energy and focus.
Modern life keeps that system switched on with constant demands, poor sleep, and digital overload, so cortisol gets pushed out at the wrong times and in the wrong amounts. Over time, this can leave you feeling wired at night, sluggish in the morning, and generally burned out, even if your basic lab work looks “normal.”
Does the thyroid play a role in my fatigue?
Yes, your thyroid can have a major impact on your energy. When the thyroid is underactive, it does not make enough hormone to keep your cells running at a healthy speed, so everything from brain function to muscle activity can feel like it is moving in slow motion.
That slowdown often shows up as heavy fatigue, difficulty getting out of bed, needing more naps or caffeine, and feeling like you “hit a wall” much sooner than you used to. If you are dealing with stubborn low energy, it is important to look closely at your thyroid—not just a quick screening number, but whether your body is actually making and using enough active thyroid hormone.
Can my anemia be causing my fatigue?
Yes, anemia is a very common and very real cause of fatigue.
When your iron is low, your body cannot make enough healthy red blood cells, or those cells do not carry oxygen as well as they should. Oxygen is the fuel every cell uses to make energy, so when delivery drops, you feel tired, weak, short of breath with simple activities, and sometimes lightheaded or “foggy.”
If you are anemic, you can have fatigue even if your thyroid is treated and your sleep is good, which is why it is important to look at iron, ferritin, and other blood counts whenever low energy is a major complaint.
I have Lyme’s Disease and wondering if my fatigue is due to that?
Yes, Lyme disease can absolutely be a contributor to your fatigue.
Lyme is an infection from a tick-borne bacteria that can linger in the body and place a constant strain on your nervous system and immune system. That ongoing burden can leave you feeling exhausted, achy, foggy, and “wiped out” even after what should be a normal day.
In many people, Lyme also disrupts how well cells make energy, so your “cellular batteries” are running low more often than they should. If you have a history of Lyme and stubborn fatigue that does not match your activity level, it is worth considering that the infection—or its after‑effects—may be playing a role.
I suspect a virus might be at the heart of my fatigue. Is this possible?
Yes, a lingering viral infection can absolutely be part of the picture with fatigue.
Certain viruses, especially Epstein–Barr virus (EBV), can stay in the body long after the initial illness and keep your immune system in a low-grade “fight mode.” That constant immune activation can drain your energy, create inflammation, and interfere with how well your cells produce and use energy.
For many people, this feels like a deep, flu‑like tiredness that never fully lifts, along with brain fog, unrefreshing sleep, and slower recovery after even mild activity. If your fatigue started around a significant viral illness or never went away afterward, it is reasonable to explore whether a chronic viral load is one of the drivers.
I’ve heard fatigue can be caused by hormone deficiencies?
Yes, certain hormone imbalances are some of the most common and most overlooked causes of fatigue.
Your thyroid and adrenal glands act like the body’s energy-control centers, helping set your metabolism and your ability to handle stress. When these hormones are too low, out of rhythm, or not communicating well with each other, your cells simply do not make and use energy efficiently, so you can feel tired no matter how much you sleep.
On top of that, changes in sex hormones such as estrogen, progesterone, and testosterone can affect sleep quality, muscle strength, and motivation, which can add another layer of exhaustion. This is why a good fatigue workup often includes a careful look at multiple hormone systems, not just one lab value.
What is hypometabolic syndrome and how does it cause fatigue?
Hypometabolic syndrome describes a “low metabolism” state where your body has essentially turned the dial down on energy production. When this happens, your cells are operating in power‑saving mode, so there is less fuel available for your brain, muscles, digestion, and repair processes.
People in a hypometabolic state often feel deeply tired, heavy, and slow, even if they are not doing very much. It can be triggered or worsened by things like chronic stress, long‑standing illness, poor nutrition, and hormone or thyroid imbalances that all tell the body, “pull back and conserve.”