Every technology we cover gets its own article. Each one explains where the technology came from, how it’s thought to work, what the studies show and who should take care before using it. We let you know where the evidence is strong and where it’s still early.
We will be adding new modalities as we research them. Join the newsletter at the bottom of the page to hear when a new article goes up.
Electromagnetic fields
Technologies that use pulsed, static or high-frequency electromagnetic energy.
- PEMF Therapy Explained: Where It Came From and How It Helps
Pulsed electromagnetic fields, the core technology in the Tera-P90 range. - Terahertz Therapy Made Simple: History, Science and Benefits
The waves between microwaves and infrared, and how they support circulation. - Radiofrequency Therapy Explained: Heat, Circulation and Recovery
How RF creates gentle heat in tissue, and where the evidence stands. - Static and Rotating Magnets: What the Evidence Actually Shows
How fixed and rotating magnets differ from PEMF, and a common myth corrected.
Electrical stimulation
Small electrical currents applied through the skin to nerves or muscles.
- TENS: How Electrical Nerve Stimulation Interrupts Pain Signals
Sensory nerve stimulation, settings explained and what the trials found. - EMS: What Muscle Stimulation Can and Can’t Do
Muscle contraction on demand, from rehabilitation to facial toning.
Heat and light
Warmth and light at wavelengths the body absorbs.
- Far-Infrared Heat Therapy: Separating the Mechanism from the Hype
Radiant heat that warms tissue directly, and the mixed research picture. - Infrared Light Therapy for Health and Wellbeing
How infrared and red light are used, and what they’re used for.
Vibration and sound
Mechanical movement and audio frequencies.
- Vibration and Percussion Therapy: A Complete Guide
From vibroacoustic chairs to handheld massagers, and how to choose intensity. - Binaural Beats and Brainwave Entrainment: Where the Science Stands
What tested sound entrainment can do, kept apart from healing-frequency claims.
Earth, air and water
Natural sources of charge and gentle molecules.
- Does Grounding Work? The Evidence Behind Earthing
Skin contact with the earth, the Schumann resonance and the research so far. - Negative Ion Therapy: What’s Real and What to Watch For
Air ions from waterfalls to ionisers, and why ozone output matters. - Molecular Hydrogen Water: Promising Signals, Preliminary Evidence
Dissolved hydrogen gas as a selective antioxidant, and early trial results.
Understanding the claims
Tools for reading wellness marketing with a clear head.
- Scalar and Quantum Energy: What the Terms Actually Mean
Where these popular terms come from, and what the research does and doesn’t show. - FDA Registered vs. FDA Approved: What It Actually Means
Two phrases that sound alike and mean very different things. - How We Review Wellness Devices at DrummRoll Wellness
Our method, our sources and how we handle the products we sell.
Have a question about a technology we haven’t covered yet? Send us a message and it may become our next article.