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1. What we mean by “Biofields”
2. Electromagnetic fields (EMF)
   1. More Than Just Wi-Fi: What EMFs Really Are
   2. Where Are EMFs Found?
   3. Electromagnetic Frequency Spectrum
   4. Not Just About Heat: The Hidden Effects
3. Healing with Biofields
   1. Historical Pioneers
   2. From Past to Present – The Modern Revival
4. Making Sense of Biofields
5. Latest Posts in Biofields

What we mean by “Biofields”

When we talk about biofields on SolarHealth, we use the term in a deliberately broad way. It helps describe the full spectrum of energy-related influences that surround us every day and interact with the human body as a complex environment.

Some of these influences are clearly understood. Electromagnetic fields (EMF), including light or radiowaves, are well-defined phenomena governed by physics. They can be measured, mapped, and reduced using known methods such as distance, shielding, grounding, and reduced exposure time.

At the same time, humans do not only respond to physical measurable factors. Many people experience subtle physiological responses to their environment that go beyond what we can currently quantify. In real life, biology is exposed to a complex mixture of energetic influences: multiple electromagnetic frequencies, environmental fields and also psychological, emotional, or spiritual energy states. For this reason, we use the term biofield as an umbrella concept. It brings together measurable physical fields and more subtle metaphysical energetic influences. These include concepts like Prana or Qi energy that were long described in traditional systems. They are not yet fully understood or directly measurable with today’s instruments.

It is important to clearly distinguish between these metaphysical fields and physical electromagnetic fields (EMFs). EMFs follow well-defined physical laws and can be measured objectively. There is a clear technical way to reduce or shield them. However, a pendant, crystal, or chip will usually not alter the electric field around a power cable or a Wi-Fi router. Practices described as working with subtle or metaphysical fields do not change the physics of EMFs, but they may influence how the body perceives stress, adapts, or regulates itself within that environment.

We distinguish between three categories of Biofields:

• Electromagnetic fields (EMF): In physics, electromagnetic fields are coupled electric and magnetic fields that vary over time. When these fields propagate as waves, they are often referred to as electromagnetic radiation (EMR). They span a wide frequency spectrum. These fields are produced not only by power grids, appliances, and wireless devices. Your own heart and brain also produce them.
• Light & biophoton emission: Light is a special case of electromagnetic radiation as the only EMR we can perceive with our body senses. It has also often been connected with metaphysical and spiritual aspects. We can sense it at sufficient intensities like that of natural sunlight. However, we usually cannot sense the light of our body’s own biophoton emissions. These refer to ultra-weak light emitted by living cells, which play important roles in cellular communication and regulation.
• Metaphysical or subtle fields refer to concepts from long-standing traditions such as aura, qi, or prana. These ideas describe additional fields of human experience and interaction that go beyond what current scientific instruments can measure. We include them here to give a more complete picture of how people understand health, perception, and well-being across cultures.

Electromagnetic fields (EMF)

More Than Just Wi-Fi: What EMFs Really Are

When people hear “EMF,” they often think of Wi‑Fi or cell towers—things used for communication. But that is just one part of the story: Electromagnetic fields are created every time we use electricity. Not just in antennas or routers, but in everyday things like lamps, chargers, fridges, and even the wiring in your walls. These fields are a natural consequence of using alternating current (AC)—which is the standard form of electricity in homes. Unlike a battery’s direct current (DC), AC constantly changes direction which induces the EMF. Nowadays EMFs are everywhere where we live — also places we don’t intend them to be.

In fact, EMFs are not only created by technology—our own bodies produce them, too. The human body is an electromagnetic system. The brain sends electric signals across neurons. The heart emits rhythmic electromagnetic pulses. Cells communicate through electrochemical gradients and biophotonic emissions. Even between people, electromagnetic communication occurs – the heart’s field can be measured from a few feet away.

Living on earth, we are constantly exposed to natural EMF as well as part of geomagnetism and effects of the solar system and space, see Heliobiology. That’s why it’s essential to recognize that electromagnetic fields are not foreign to us—they are part of how life functions. We live within a natural electromagnetic field, and our biology both responds to and emits electromagnetic information. Certain EMFs, especially in biologically resonant frequency ranges, can support regulation and healing within the body. Other EMFs—particularly technological appliances with unnatural pulsations or chaotic waveforms—may disrupt these processes.

Importantly, not all man-made EMFs are harmful. In fact, when carefully tuned and applied, certain frequencies have been used in therapeutic settings for decades—like pulsed electromagnetic field therapy (PEMF), frequency-specific microcurrents, or bioresonance approaches. It’s not about EMFs being good or bad—it’s about understanding how different types interact with the body.

Where Are EMFs Found?

Wherever electrical energy is in use, electromagnetic fields arise as a by-product. Everyday appliances like lamps, kitchen machines, fridges, phone chargers, or even the cabling in walls generate EMFs simply by operating with electricity. In particular, most of our devices run on alternating current (AC), where the flow of electric charge reverses direction 50 times per second (in Europe). This continual switching creates oscillating electric and magnetic fields that extend into our living space.

Even if you don’t actively use electronic gadgets, your home wiring system itself radiates EMFs as long as it’s connected to a live grid.

Additionally, so-called dirty electricity—a form of high-frequency voltage transients—can “ride” on the electrical supply system. These disturbances often stem from dimmer switches, LED lighting or switch-mode power supplies. Once introduced, they can spread throughout the wiring of our power grid and contribute to the EMF load, whether or not those particular devices are currently in use.

Electromagnetic Frequency Spectrum

Electromagnetic fields differ in frequency—that is, how many times per second the field vibrates. You can think of it like sound: a bass drum makes slow, deep vibrations (low frequency), while a violin string creates rapid, high-pitched ones (high frequency). In the same way, electromagnetic frequencies can be slow or fast, depending on how many cycles per second they produce—measured in hertz (Hz).

In Biofields, we focus on the non-ionizing range. This includes extremely low frequency (ELF) through microwaves. It also extends up to visible and near‑UV light. Let’s look at the most common types and their frequency ranges:

• 0–300 Hz (ELF): Extremely low-frequency fields from power lines, wall outlets, electric motors, electric blankets
• 2–150 kHz: Dirty electricity from dimmer switches, chargers, fluorescent or LED lighting
• 30 kHz–300 MHz (RF): Traditional radio frequency signals from baby monitors, walkie-talkies, older broadcast systems
• 300 MHz–3 GHz (Microwave): Wireless communication like mobile phones, Wi‑Fi, DECT phones, Bluetooth
• 3 GHz–300 GHz: Millimeter waves from 5G antennas, radar, military and satellite communications

Just like our ears react differently to various sounds, our cells may also respond differently to certain EMF frequencies. Some frequencies resemble natural rhythms found in the body, while others may have no biological equivalent or even may interact with tissues in disruptive ways.

Not Just About Heat: The Hidden Effects

Most safety guidelines focus on the heating effects of EMFs—whether the field is strong enough to raise body tissue temperature. This is especially emphasized in the microwave frequency range (e.g. mobile phones, Wi‑Fi), where energy can cause water molecules in tissues to vibrate and generate heat.  But many studies now indicate that EMFs may affect us biologically even when no heat is produced at all. These so-called non-thermal effects have been shown to influence protein folding, oxidative stress, calcium signaling, and hormone regulation—even at very low exposure levels. You can read more about possible biological effects and underlying mechanisms in this summary.

Growing awareness of these effects is changing the conversation around EMF safety. It is not just about how powerful a field is, but how its signal quality and biological compatibility relate to our body’s own rhythms.

Scientific studies have raised key concerns through EMF exposure, including:

• Protein stability and denaturation
  EMFs may interfere with how proteins fold, potentially impairing cellular function.
• Chronic inflammation and oxidative stress
  Pulsed fields and dirty electricity have been associated with increased free radicals and peroxynitrite formation—key markers of cellular stress.
• Immune and metabolic disturbances
  Research has shown improvements in multiple sclerosis, diabetes, and fibromyalgia symptoms when exposure to certain forms of dirty electricity was reduced.
• Neurological sensitivity and developmental effects
  Early-life EMF exposure is being explored as a possible contributing factor in neurodevelopmental conditions such as autism spectrum disorder.
• Autonomic nervous system dysregulation
  EMFs may alter heart rate variability (HRV), stress protein production, and blood–brain barrier permeability.
• Ecological impact on wildlife and plants
  Observations show EMFs may disrupt orientation and reproduction in bees, birds, and livestock.

These effects aren’t yet fully understood, and cause-and-effect relationships are still being mapped. But the pattern is clear: EMFs can act not only as “heating” sources but also as informational triggers—subtle signals that cells may interpret as stressors.

All of this can happen at levels well below current safety limits. That’s why awareness is so important.

Healing with Biofields

For much of the last century, medicine has been shaped by biochemistry tools. It has focused on molecules, enzymes, and receptor pathways. This perspective has given us effective diagnostics and treatments, especially in acute and infectious diseases. But biology is not only chemistry. It’s also electricity, vibration, and light. Every cell generates voltage, every nerve transmits electrical impulses, and every organ is surrounded by measurable electromagnetic fields.

Modern medicine is beginning to rediscover what early pioneers sensed. Physics adds a deeper layer to understanding life. This addition may help us detect imbalance earlier. It can also support proper body function directly by working with the body’s energy communication systems.

Historical Pioneers

Nikola Tesla (1856–1943), best known for inventing alternating current, also experimented with high-frequency electric currents and oscillating fields for biological effects. He proposed that energy, vibration, and frequency could play a central role in vitality and healing.

In the 1920s and 30s, Dr. Royal Raymond Rife developed one of the most powerful optical microscopes of his time, reportedly able to observe live viruses using special lighting techniques. Based on his observations, he built a frequency device—the “Rife Ray Tube”—designed to emit specific electromagnetic pulses to disable harmful microbes. Early trials in California were said to have promising results, but his work was not accepted by mainstream medicine and later fell into obscurity. Nevertheless, Rife’s idea—that diseases have frequency signatures that can be harmonized or disrupted—has inspired generations of researchers.

In the decades that followed, others expanded on these ideas.

In Europe, Dr. Paul Nogier introduced auriculotherapy and pioneered electroacupuncture using microcurrents to stimulate acupuncture points. Practitioners like Dr. Reinhold Voll and Franz Morell helped develop bioresonance techniques, which aimed to detect and rebalance disturbances in the body’s electromagnetic patterns. Their devices—such as MORA and later BICOM—sought to measure skin conductivity and respond with corrective frequencies.

From Past to Present – The Modern Revival

These pioneers laid the foundation for what’s now called energy medicine. Today, contemporary practitioners use a growing number of tools that build on these roots: frequency generators, pulsed field mats, photobiomodulation devices, or skin-conductance feedback systems. These are increasingly used in integrative and holistic practices to help regulate chronic illness, stress-related conditions, or nervous system disorders.

Healing with biofields encompasses approaches that use electromagnetic, light and subtle energy fields to support the body’s regulation. For instance, in the realm of electromagnetic therapies, pulsed electromagnetic field (PEMF) devices deliver low‑frequency pulses that have been shown to support bone repair, alleviate pain and modulate inflammation. Low‑level light therapy—also called photobiomodulation—uses red and near‑infrared light to stimulate mitochondrial activity and reduce inflammation.

• Frequency‑specific microcurrent and biofeedback devices scan the body’s responses and deliver harmonizing signals in real time. They use low‑level currents or frequency sweeps to target tissues and monitor responses in real time.
• Energy healing practices – systems such as Reiki, Kinesiology and Qi Gong involve practitioner intention and subtle touch to influence the client’s energy field; a meta‑analysis of Reiki reported improvements in well‑being
• Crystals, chips and resonance devices – objects designed to carry or emit subtle frequencies. Some people use these to harmonize their biofield. However, they do not alter the measurable electromagnetic field.

These modalities vary widely in their mechanisms and evidence base. Electromagnetic and light therapies are grounded in biophysics. They are also supported by emerging clinical research. In contrast, metaphysical approaches draw more from cultural and spiritual traditions.

Energy Medicine adds another dimension: one that helps us understand the informational and vibrational side of health—the signals between cells, the rhythms of organs, and the fields that surround and organize our biology. When these systems fall out of sync, symptoms may appear—even before a chemical imbalance becomes measurable. Energy medicine offers tools to support these subtle systems: not by blocking or attacking, but by restoring inner communication and resonance.

Making Sense of Biofields

It is important to distinguish between the two layers we have been discussing. Electromagnetic fields (EMF) are phenomena described by physics; they can be measured with instruments and follow predictable laws. Only physical interventions—distance, reduced exposure, shielding materials and proper grounding—can reduce these fields. By contrast, metaphysical fields are not measurable with conventional instruments and do not alter the physical EMF environment. However, metaphysical concepts like qi, prana or the aura, may influence how we perceive and respond to our EMF environment. Crystals, chips, or pendants will not change the electric field around a power cord. However, they may help individuals become more resilient and improve other layers of their body.

Regarding EMFs, there’s a lot of mixed information out there. Some people feel overexposed and anxious. Others dismiss the topic entirely. Research presents a complex and confusing picture—some studies suggest possible risks, others show promising therapeutic uses. Confusion often arises when physical EMFs and subtle experiences are mixed together or treated as the same thing. EMFs are neither inherently harmful nor automatically beneficial. Their effects depend on frequency, intensity, timing, and biological context, much like sound can be noise or music depending on how it is used.

Understanding biofields means holding both layers at once: respecting the laws of physics while remaining open to how complex living systems respond to their surroundings. With clarity instead of fear, we can learn how to reduce unnecessary exposures, use technology more wisely, and create environments that support health in modern life.

Latest Posts in Biofields

• 
  ALARA Principles to reduce Your EMF exposure — Practical Everyday Guide
  by Tobias Pahlen
  From my clinical experience in radiation protection, I can say the best protection measures are simple, practical, and tailored to daily life. The clinical ALARA principle — “As Low As Reasonably Achievable” — translating to everyday non-ionizing electromagnetic fields (EMFs) means finding realistic ways to reduce exposure while balancing comfort and daily needs. The ALARA… Read more: ALARA Principles to reduce Your EMF exposure — Practical Everyday Guide