ᐅ Induction Cooktop vs. Conventional Cooktop

Scout** schrieb:

In our new house, we chose a halogen/glass-ceramic cooktop. We weren't quite finished with our family planning yet anyway 😉

Did you conceive children in your old house?
Basically, I would initially categorize the clinic’s statement as selection bias. Among the group of infertile men, you will also find many who have an induction cooktop at home. After all, these have become almost standard in mid-range kitchens by now. Conversely, you will also find many fertile men with induction cooktops.

In general, according to current research, there is no reliable connection between everyday electromagnetic fields and discomfort or harm. Since people have been investigating this for quite some time, I assume that nothing significant will be found. What is well known and strongly supported by evidence, however, is the nocebo effect. This occurs in drug trials with severe side effects reported in the placebo group, intoxication symptoms from non-alcoholic beer (no joke!), or with Wi-Fi, mobile phones, and microwaves.

Therefore, two options remain:
1. Accepting the harmlessness and looking for another cause, such as subtle background noises
2. Removing all supposedly dangerous devices. Switching to a gas stove (but be careful: gas leaks are truly dangerous), corded phone, etc.

sysrun80 schrieb:

I also think that the frequencies should be distinguished here. Personally, I would rather expose myself to a 1kW 50Hz field than to a 1kW field in the GHz range 😎

At GHz frequencies, the concern is primarily the thermal power densities and the resulting excessive long-term DNA damage (cancer).

With low-frequency radiation, like in switching power supplies or mains voltage, the striking and still largely unknown effect on cellular regulation is important—I recommend in this context the following work on the connection with calcium channels, which are found in every cell. They mediate electromechanical coupling during muscle contraction, lead to the synthesis and secretion of neurotransmitters and hormones, regulate gene expression, and control enzyme activities. These channels are modulated by low-frequency electromagnetic interference and also affect, among others, nitric oxide (NO) signaling (Nobel Prize 1998, among others Furchgott)!

For example:
M. Pall "Electromagnetic fields act via activation of voltage-gated calcium channels to produce beneficial or adverse effects" (doi: 10.1111/jcmm.12088)

via deepl

The direct targets of electromagnetic fields (EMF) in the extremely low and microwave frequency range for producing non-thermal effects are not clearly identified. However, the studies reviewed here provide substantial support for such direct targets. Twenty-three studies have shown that voltage-gated calcium channels (VGCCs) mediate these and other EMF effects, so that L-type or other VGCC blockers inhibit or greatly reduce various EMF effects. Furthermore, the voltage-dependent properties of these channels provide biophysically plausible mechanisms for biological effects of EMF. Downstream responses to such EMF exposures may be mediated by Ca2+/calmodulin stimulation of nitric oxide synthase. Physiological/therapeutic responses may largely result from stimulation of the nitric oxide-cGMP-protein kinase G pathway. A well-studied example of such a likely therapeutic response, EMF stimulation of bone growth, appears to operate through this pathway. However, pathophysiological responses to EMF may result from the nitric oxide-peroxynitrite oxidative stress pathway. A single well-documented example, the induction of DNA single-strand breaks in cells by EMF, measured by alkaline comet assays, is discussed here. Such single-strand breaks are known to be caused by the action of this pathway. Data on the mechanism of EMF induction of such breaks are limited; available data support this proposed mechanism. Other Ca2+-mediated regulatory changes independent of nitric oxide may also play a role. This article reviews a range of VGCCs whose stimulation causes non-thermal EMF responses in humans/higher animals, with downstream effects including Ca2+/calmodulin-dependent increases in nitric oxide, which could explain therapeutic and pathophysiological effects.

Or refer also to Nature, doi:10.1038/srep21774

sysrun80 schrieb:

I also think that it’s important to distinguish the frequencies here. Personally, I would rather be exposed to a 1kW 50Hz field than a 1kW field in the GHz range.

That’s exactly what I wanted to say. High-frequency fields carry significantly more energy and also heat tissue. That might also explain the doctor’s question about the gonads 😉

Scout** schrieb:

I recommend looking into the role of calcium channels, which are found in every cell, in this context.

N-/PQ-type or both? Just kidding. I can imagine that, but laypeople wouldn’t understand it anyway.

HubiTrubi40 schrieb:

N-/PQ-type or both? Just kidding. I can imagine it, but a layperson won’t understand it anyway.

True... Can someone explain this briefly and clearly for non-experts?

Can't we just conclude that induction cooking isn’t suitable for the OP instead of going into lengthy explanations? I’m smiling at this too, but what purpose does it serve?

As far as I know, there is no induction cooktop that advertises reduced magnetic radiation. To my knowledge, there are industry-standard limits for this type of appliance.