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Exposing skin to the ultraviolet radiation in sunlight has both positive and negative health effects. On the positive side, exposure allows for the synthesis of vitamin D 3. Vitamin D has been suggested as having a wide range of positive health effects, which include strengthening bones [1] and possibly inhibiting the growth of some cancers.
Hazards. Dielectric heating from electromagnetic radiation can create a biological hazard. For example, touching or standing around an antenna while a high-power transmitter is in operation can cause burns. The mechanism is the same as that used in a microwave oven. [6]
Fluorescent lamps with magnetic ballasts flicker at a normally unnoticeable frequency of 100 or 120 Hz (twice of the utility frequency; the lamp is lit on both the positive and negative half-wave of a cycle). This flickering can cause problems for some individuals with light sensitivity [1] and are associated with headaches and eyestrain.
We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...
Some smells release neurotransmitters in the brain. Think: serotonin, dopamine, and endorphins. These brain chemicals can lead to feelings of happiness and relaxation. Certain scents may even help ...
Palep herself was quite concerned with the dosage of the light therapy provided by the masks, as not every patient may require the same amount and duration of the treatment. "The potential dangers ...
The fitness consequences of consanguineous mating have been studied since their scientific recognition by Charles Darwin in 1839. [72] [73] Some of the most harmful effects known from such breeding includes its effects on the mortality rate as well as on the general health of the offspring. [74]
How to protect your eye health on semaglutide If you’re taking semaglutide or interested in using the medication, doctors say there are a few things you can do to stay on top of your eye health.